solemn/earnest/grave/serious.导航词义：严肃的，认真的

1. solemn:adj. 严肃的，庄重的.常指因发生不幸事件或处于庄重场合而非常严肃的，语义较强。

The mourners looked solemn at the funeral.

葬礼上，哀悼者神情严肃。

The Premier's burial was a solemn occasion.

总理的葬礼场面庄重。

He looked very solemn as he announced the decision.

在宣布这一决定时，他显得非常严肃。

2. earnest:adj. 郑重其事的，非常认真的.指人或举止认真而诚恳的。

The new secretary is earnest in her work.

新来的秘书工作很认真。

Mark is an earnest man.

马克是个真诚的人。

He had an earnest talk with his girlfriend.

他和女友进行了一次认真的交谈。

I made an earnest effort to persuade her.

我非常诚恳地努力说服她。

3. grave:adj. 严肃的，表情凝重的.尤指因发生重大或令人担心的事件而神情严肃的。

He stood there with a grave look when he heard the news.

他听到这个消息后，脸色凝重地站在那里。

His face was grave when I told him my decision.

当我告诉他我的决定时，他的脸色很严肃。

It was a woman, grave and dignified, who advanced to meet him.

朝他走过来的分明是一个妇人，严肃而端庄。

4. serious:adj. 严肃的，认真的.普通用词，指非常认真而并非开玩笑的，也指人神情严肃的或事情需要认真考虑的。

Do you think he is serious about leaving school?

你认为他当真要辍学吗？

I am pretty serious about what I said at lunch.

我午餐时说的话是非常认真的。

You look serious; is there anything wrong?

你看上去很严肃，出什么事了吗？

This is a serious question.

这是个非常严肃的问题。

全部

1·There were flowers on the grave.

坟上有些花。《牛津词典》

2·Relatives laid wreaths on the grave.

死者亲属在墓前献了花圈。《牛津词典》

3·They used to visit her grave twice a year.

他们以前每年给她上两次坟。《柯林斯英汉双解大词典》

4·His grave has become a place of pilgrimage.

他的陵墓成了参拜之地。《牛津词典》

5·He looked very grave as he entered the room.

他进屋时表情非常严肃。《牛津词典》

6·They stood in silent homage around the grave.

他们恭敬地站在坟墓周围致默哀礼。《牛津词典》

7·The country was passing through a grave crisis.

那个国家正经历着一场严重的危机。《柯林斯英汉双解大词典》

8·He expressed grave concern at American attitudes.

他对美国的态度表达了严肃关注。《柯林斯英汉双解大词典》

9·Anxiously, she examined his unusually grave face.

她不安地审视着他那张异常严肃的脸。《柯林斯英汉双解大词典》

10·These words are carved on the stone beside his grave.

在他的墓碑上刻着这样的话。《牛津词典》

坟墓

1·They stood in silent homage around the grave.

他们恭敬地站在坟墓周围致默哀礼。《牛津词典》

2·There might be something beyond the grave, you know, and not nothingness.

坟墓之外也许还有些什么，你知道的，并非什么都没有的。《柯林斯英汉双解大词典》

3·Were you anywhere near Horse Williams' grave?

你在霍斯·威廉斯的坟墓附近吗？

4·The grave was that of a child, only five when he died fifteen years ago.

这是一个孩子的坟墓，十五年前去世时他才五岁。

5·That small stone marked the grave of a child and the heart of his mother.

这块小石头标志着一个孩子和他母亲的心的坟墓。

坟

1·There were flowers on the grave.

坟上有些花。《牛津词典》

2·They used to visit her grave twice a year.

他们以前每年给她上两次坟。《柯林斯英汉双解大词典》

3·Your father marked the grave every time he came.

你父亲每次来都在坟上做记号。

4·She wanted to sit down on the pauper’s grave where the bitter fern grows; but for her there was neither peace nor rest.

她想在一个长满了苦艾菊的穷人的坟上坐下来，不过她静不下来，也没有办法休息。

5·It was near that old and sunken grave, yet with a space between, as if the dust of the two sleepers had no right to mingle.

这座新坟靠近那座下陷的老坟，但中间留着一处空地，仿佛两位长眠者的骨殖无权相混。

严肃的

1·He looked very grave as he entered the room.

他进屋时表情非常严肃。《牛津词典》

2·Anxiously, she examined his unusually grave face.

她不安地审视着他那张异常严肃的脸。《柯林斯英汉双解大词典》

3·He expressed grave concern at American attitudes.

他对美国的态度表达了严肃关注。《柯林斯英汉双解大词典》

4·Her face was so grave, I wondered for a moment if she'd found me out.

她表情非常严肃，我一时怀疑她是不是已经识破了我。《柯林斯英汉双解大词典》

5·Mary listened to her with a grave, puzzled expression.

玛丽表情严肃且困惑地听着她讲话。

重大

1·AI is hugely exciting, she said, but it has limitations, which present grave dangers given uncritical use.

“人工智能技术是非常振奋人心的，”她说，“但它有局限性：如果在使用时不加以分辨，会带来重大危险。”

2·Climate change is a grave challenge to mankind and calls for a concerted international response.

气候变化是全人类面临的重大挑战，需要国际社会合力应对。

3·Since July this year, Pakistan has been suffering severe flooding which caused grave casualties and property losses.

今年7月以来，巴基斯坦遭受严重洪灾，造成重大人员伤亡和财产损失。

4·other injuries that cause grave harm to a person's physical health.

其他对于人身健康有重大伤害的。

5·How to prevent and deter family violence is a grave problem we need to face.

如何有效地预防和制止家庭暴力是我们面临的重大问题。

墓穴

1·They started fighting in the grave.

他们开始在墓穴中打斗。

2·However, a different strain was found in a mass grave in Bergen op Zoom, a port in the southern Netherlands.

然而，在的荷兰南部的港口贝亨奥普佐姆的一个集体墓穴中发现一种不同的菌种。

3·As they came near the castle, they saw two old men digging a grave.

他们来到城堡附近时，看见两个老人家正在挖一个墓穴。

4·After Hamlet and Horatio had left the grave of Ophelia, the king called Laertes to him and told him that he had an idea.

哈姆雷物和荷瑞修离开墓穴之后，国王召唤莱尔提斯到他跟前，告诉他说他有一个好主意。

5·A young farmer shrugged when asked if he was afraid to have such a large grave on a hillside close to his home. What is the point of being frightened?

当一位年轻的农民被问及这么大的墓穴就在离他家不远的山坡上是否令他害怕时，他说：“有什么可怕的？”

庄重

1·The hooting of a tugboat adds its grave and tender note.

拖船的鸣笛声增添了它庄重而温柔的调子。

2·With Cosette, and behind her, there had entered a man with white hair who was grave yet smiling, though with a vague and heartrending smile.

在珂赛特后面陪着她进来的是一位白发老人，态度庄重，但含着微笑，可这是一种捉摸不定和沉痛的微笑。

3·The Countess greeted them with her grave smile, and Archer, feeling his host's admonitory glance on him, rose and surrendered his seat.

伯爵夫人以庄重的微笑与他们招呼，阿切尔觉察到主人对他责备的目光，便起身让出了他的座位。

4·'The trial cannot proceed, ' said the King in a very grave voice, 'until all the jurymen are back in their proper places-- ALL, ' he repeated with great emphasis, looking hard at Alice as he said do.

这时，国王庄重地宣称：“审讯暂停，直至全体陪审员返回原位。” 他说得那么使劲儿，眼睛严厉地盯着爱丽丝。

5·He announced the news in a grave voice.

他用庄重的声音宣布这一消息。

死亡

1·Once again, as when we were small, we believe that magic can happen, that we can be different, that life is not just a predictable and frequently humiliating shamble towards the grave.

曾经，在我们小的时候我们相信这样的魔法会发生，我们能变得不同，生活不再是一切按部就班，我们不是踉踉跄跄的走向死亡。

2·The koseki is your ID, from cradle to grave, based on the family unit.

他说：“户籍就是以家庭为单位，记录你从出生到死亡的身份证明。

3·We go to visit the graves of people we have loved, but no matter how often we visit, we cannot reach beyond the grave.

我们会到坟前探望我们的挚爱亲朋，但不管我们探望得多频繁，依然无法越过死亡的界限，与他们接触。

4·Getting less than six hours sleep a night can lead to an early grave, UK and Italian researchers have warned.

英国和意大利的研究人员警告道，每晚睡眠时间少于六小时可能导致过早死亡。

5·For now it won't be long any more until in my cold grave we will lie.

现在，不会从现在起将不会孤单，直到死亡。

墓葬

1·The ancients pay much attention to dead as to living, so the grave fresco is the direct reflection of history of that society.

古人“视死如生”，墓葬中的壁画是当时社会历史的直观反映。

2·Compared with the inscription on a Holy Way stele and the inscription on the memorial tablet, the elegy applied in the grave, has much differences in such aspects as the literary style.

作为墓葬中应用的哀册文，与神道碑、墓志铭在文体等方面有较大的不同。

3·History scholars focused primarily on their own studies in the past, researched grave system of Tusi very few, especially art, aesthetic values, social function of stone sculptures.

过去，史学界主要注重于土司制度本身的研究，对于土司墓葬制度特别是石刻艺术、美学价值、社会功能等问题则很少涉及。

4·Pottery Yan are hardly found in building lot and grave of Yinxu II III, they are mostly found in ash pit.

陶甗在二、三期时不见出于房址和墓葬之中，大多出于灰坑之中。

沉重的

1·A grave responsibility.

这是一份沉重的责任。

2·The child boarded the train to Chicago in spite of the fact there was little money on him, his face grave and serious.

尽管这个男孩身上没带多少钱，但他还是坐上了开往芝加哥的火车， 一脸沉重而严肃。

3·Actually, these films are not grave or bewildering. In comparison of other contemporary films, they all have curious suspense and plot, wit and humour.

其实这些影片并不沉重高深，与同时期其他大师作品相比，它们都有着引人入胜的悬念和情节，更不乏充满智慧的幽默。

4·In Mali, peacekeepers have suffered grave losses that have not deterred them from implementing their mandate.

在马里，维持和平人员虽遭受沉重损失，但并未因此而停止执行其任务。

(1)watery grave葬身鱼腹，溺死

(1)grave concern严重关切

(1)mass grave乱葬冈；集体埋葬的墓地

(1)rise from the grave死后复活(源自《圣经》)