only if / if only

1. only if 意为“只有...(才)；只有在...的时候”， 副词only是中心词，从属连词if连接从句。

2. if only 意为“要是...就好了”， 中心词是从属连词if，副词only加强语气，示虛拟条件。

too ... to ... / only too ... to ...

1. too ... to ... 意为“太...而不能...”， 在形式上是肯定的，但在意义上是否定的。

2. only too ... to ... 意为“非常愿意...”，

全部

1·Only two torpedoes struck home.

只有两枚鱼雷击中目标。《柯林斯英汉双解大词典》

2·We only communicate by email.

我们只是互通电邮。《牛津词典》

3·He only charged me half price.

他只收我半价。《牛津词典》

4·We were the only people there.

我们是唯一在场的人。《牛津词典》

5·There's only four days left.

只剩下四天了。《牛津词典》

6·Cigarettes are my only vice.

我唯一的罪过就是爱抽烟。《牛津词典》

7·This machine only accepts coins.

这台机器只接受硬币。《牛津词典》

8·His only answer was a grunt.

他唯一的回答就只是哼了一声。《牛津词典》

9·The booking is only provisional.

这只是暂定的预订。《牛津词典》

10·It only takes forty seconds.

这只需40秒。《柯林斯英汉双解大词典》

只

1·I only heard about it secondhand.

我只间接听说了这件事。《柯林斯英汉双解大词典》

2·There's only four days left.

只剩下四天了。《牛津词典》

3·The game was over in only six moves.

这盘棋只走了六步就结束了。《牛津词典》

4·It took only a few seconds.

那只需要几秒钟。《牛津词典》

5·He only charged me half price.

他只收我半价。《牛津词典》

只有

1·They were both only 20 years of age.

他们两人都只有20岁。《牛津词典》

2·She has only the director over her.

她的上司只有主任一个。《牛津词典》

3·There's only one sure way to do it.

做这件事只有一个保险的办法。《牛津词典》

4·It's only a couple blocks away.

那地方离这里只有几个街区。《牛津词典》

5·The Dragons had only one shot on goal.

龙队只有一次射门。《柯林斯英汉双解大词典》

仅

1·We only work from Monday to Friday.

我们仅从星期一工作到星期五。《牛津词典》

2·The cost given is only approximate.

所列成本仅系约计。《牛津词典》

3·He won after only 52 minutes on court.

他上场仅52分钟就赢得了胜利。《牛津词典》

4·He acted in an advisory capacity only.

他仅以顾问身份工作。《牛津词典》

5·The bar is for the use of members only.

酒吧仅供会员使用。《牛津词典》

只是

1·I'm only part-time at the moment.

我现在只是兼职。《牛津词典》

2·I only play jazz as a hobby.

我弹奏爵士乐只是一种业余爱好。《牛津词典》

3·I only heard about it second-hand.

我只是听别人讲的。《牛津词典》

4·We only communicate by email.

我们只是互通电邮。《牛津词典》

5·We only did it for a giggle.

我们做那件事只是开个玩笑而已。《牛津词典》

只能

1·Their loyalty only went so far.

他们的忠诚只能到这个程度。《柯林斯英汉双解大词典》

2·Antibiotics are only available by prescription.

抗生素只能凭处方购买。《牛津词典》

3·Antibiotics are only available on prescription.

抗生素只能凭处方购买。《牛津词典》

4·He can walk only with the assistance of crutches.

他只能靠一副拐杖走路。《牛津词典》

5·He was able to spend only a few days on the island.

他只能在这个岛上待几天。《柯林斯英汉双解大词典》

仅仅

1·He only did it the once.

这种事儿他仅仅干过一次。《牛津词典》

2·We did fairly well but only fairly well.

我们做得尚可，但仅仅是尚可。《柯林斯英汉双解大词典》

3·A child can drown in only a few inches of water.

儿童在仅仅几英寸深的水中就能溺死。《柯林斯英汉双解大词典》

4·She gained only minimal recognition for her work.

她的工作仅仅得到极少的赞誉。《牛津词典》

5·They were given only rudimentary training in the job.

他们仅仅受到过基本的职业训练。《牛津词典》

唯一的

1·His only answer was a grunt.

他唯一的回答就只是哼了一声。《牛津词典》

2·Cigarettes are my only vice.

我唯一的罪过就是爱抽烟。《牛津词典》

3·Your only recourse is legal action.

你的唯一依靠就是诉诸法律。《牛津词典》

4·My only worry is that...

唯一令我担忧的是…《牛津词典》

5·His bike is his only means of transport.

自行车是他唯一的代步工具。《牛津词典》

不过

1·I'm only a sergeant, said Clements.

“我不过是个中士，”克莱门茨说。《柯林斯英汉双解大词典》

2·It's a bit like my house, only nicer.

这有点儿像我的房子，不过更漂亮些。《柯林斯英汉双解大词典》

3·The problem only exists in your head, Jane.

这个问题不过是你的想象，简。《牛津词典》

4·Don't get in a strop —I'm only a few minutes late.

别生气—我不过晚了几分钟。《牛津词典》

5·They only invited Jack and Sarah as an afterthought.

他们邀请杰克和萨拉不过是事后想起的补救办法。《牛津词典》

只不过

1·Don't blame me, I'm only the messenger!

别责怪我。我只不过是个传话的！《牛津词典》

2·They are only human and all too fallible.

他们只不过是普通人，难免会犯错误。《柯林斯英汉双解大词典》

3·It's just as dramatic as a film, only it's real.

这真和电影一样富有戏剧性，只不过它是现实。《柯林斯英汉双解大词典》

4·These trends only got worse as we moved into the nineties.

当我们进入了90年代，这些风气只不过变得更糟了。《柯林斯英汉双解大词典》

5·Let's be honest , she's only interested in Mike because of his money.

坦率地说吧，她对迈克有好感只不过是因为他有钱。《牛津词典》

(1)only one只有一个；唯一

(1)only for要是没有

(1)only when只有当…才能

(1)only if只要……就；只是在……的时候

(1)only then直到那时（后面的句子要倒装）

(1)if only只要；要是…多好