when / what time 表示“什么时间”

1. when 询问的时间比较笼统，有时也可问具体的时间，代替what time.

2. what time 用于询问具体的时刻

全部

1·When is your next appointment?

你下一次预约时间是什么时候？《牛津词典》

2·Nobody was in when we called.

我们打电话时家里没人。《牛津词典》

3·He was ironing when I arrived.

我到的时候他正在熨衣服。《牛津词典》

4·He was offside when he scored.

他将球攻进门时已越位了。《牛津词典》

5·Begin when I give the command.

我发出命令时开始。《牛津词典》

6·He was a daredevil when young.

他年青的时候也是个不怕死的人。《柯林斯英汉双解大词典》

7·Babies cry when they are tired.

婴儿疲倦时会哭。《牛津词典》

8·When was the bridge constructed?

那座桥是何时修建的？《牛津词典》

9·When are the removal men coming?

搬家工人什么时候到？《牛津词典》

10·When did you first meet him?

你和他初次见面是何时？《牛津词典》

当

1·I'm very faithful when I love someone.

当我爱一个人时我是非常忠贞的。《柯林斯英汉双解大词典》

2·The truck fishtailed when Bruun hit the brake.

当布隆踩刹车时，卡车摆尾行驶。《柯林斯英汉双解大词典》

3·It's hard to stay out of debt when you are a student.

当学生很难不负债。《牛津词典》

4·I don't react anymore when opponents try to niggle me.

当反对者试图对我吹毛求疵时，我不再回应了。《柯林斯英汉双解大词典》

5·The terror ended when armed police swooped on the car.

当武装警察突袭了这辆汽车时，这起恐怖活动就此结束。《柯林斯英汉双解大词典》

时候

1·He was a daredevil when young.

他年青的时候也是个不怕死的人。《柯林斯英汉双解大词典》

2·He was ironing when I arrived.

我到的时候他正在熨衣服。《牛津词典》

3·He was 14 years old when it happened.

这件事情发生的时候，他14岁。《牛津词典》

4·I'll pay you a call when I'm in town.

我在城里的时候将去拜访你。《牛津词典》

5·Ma was still at work when I got back.

我回来的时候妈妈还在工作。《柯林斯英汉双解大词典》

什么时候

1·Until when can you stay?

你可以待到什么时候？《牛津词典》

2·We need to discuss when we should go.

我们需要商量一下什么时候动身。《牛津词典》

3·Can you tell me when the movie starts?

你能告诉我电影什么时候开演吗？《牛津词典》

4·I can't say for certain when we'll arrive.

我说不准我们什么时候能到。《牛津词典》

5·I asked him when he'd be back to pick me up.

我问他什么时候回来接我。《柯林斯英汉双解大词典》

何时

1·I will contact you later to advise you when to come.

稍后我会与你联系，通知你何时前来。《牛津词典》

2·The doctor was non-committal about when I could drive again.

关于我何时可以再开车的问题，医生没有表态。《牛津词典》

3·They still haven't had any news about when they'll be able to go home.

他们仍然没有得到任何关于他们何时才能回家的消息。《柯林斯英汉双解大词典》

4·There remains considerable doubt over when the road will be completed.

对于道路何时能竣工，人们还有相当多的疑虑。《柯林斯英汉双解大词典》

5·By noticing these changes, the woman can tell when ovulation is about to occur.

通过观察这些变化，这名妇女能判断出何时排卵。《柯林斯英汉双解大词典》

当时

1·The story starts back in 1950, when I was five.

这件事始于1950年，当时我5岁。《柯林斯英汉双解大词典》

2·It was a difficult situation, when you think about it.

仔细想来，当时处境是很困难的。《牛津词典》

3·We maligned him dreadfully when you come to think of it.

回头想想，我们当时很恶毒地中伤了他。《柯林斯英汉双解大词典》

4·I went to the editorial board meetings when I had the time.

我当时有空儿就去参加编辑委员会的会议。《柯林斯英汉双解大词典》

5·I thought back to the time in 1975 when my son was desperately ill.

我回想起1975年的时候，当时我儿子病得很重。《柯林斯英汉双解大词典》

那时

1·Cast your mind back to 1978, when Forest won the title.

回想一下1978年，那时福里斯特赢得了这个头衔。《柯林斯英汉双解大词典》

2·Do you remember when everyone went unplugged and acoustic?

你还记得那时乐队都不使用电声而是用原声演奏吗？《柯林斯英汉双解大词典》

3·The last time I went to Scotland was in May, when the weather was beautiful.

我上次去苏格兰是在五月份，那时的天气好极了。《牛津词典》

4·Nobody will know the exact position until Monday, when it is do-or-die for the deal.

没有人在周一之前知道确切的情况—那时将是决定交易胜负的时刻。《柯林斯英汉双解大词典》

5·Her love of these sandwiches was a carryover from the Depression, when she sometimes had nothing else to eat.

她对三明治的钟爱是大萧条时期留下的后遗症，她那时往往没有别的东西可吃。《柯林斯英汉双解大词典》

时间

1·External conditions also matter in terms of when and how often we lie.

对于我们说谎的时间和频率，外部条件也会造成影响。

2·The application code has no control over how or when these things happen.

应用程序代码无法控制这些事情发生的方式或时间。

3·The marines choose when and where to attack.

海军陆战队选择进攻的时间与地点。

4·Out of respect for your spouse, you may need to change where and when you see your friend.

除了要尊重你的配偶，你可能还需要换一下见朋友的地点和时间。

5·Every state in the USA has different rules and regulation on what and when to recycle.

美国的每个州对回收再利用的物品和时间都制定了不同的规章和条例。

而

1·Spencer scuttled away from Singh to shoot wide when he should have scored.

斯宾塞快速晃开辛格却射门偏出，而他本应该得分的。《柯林斯英汉双解大词典》

2·Our mothers sat us down to read and paint, when all we really wanted to do was to make a mess.

我们的妈妈们让我们坐下读书、画画，而我们真正想要做的却是胡闹一阵。《柯林斯英汉双解大词典》

3·Why would you ever want to clone humans, Westhusin asks, when we're not even close to getting it worked out in animals yet?

“为什么你想要克隆人类，”威斯苏森问道，“而我们甚至还没有成功克隆动物呢？”

4·The lawsuits said that the label was misleading because it gave the impression that the products had been certified by a third party when the certification was the company's own.

该诉讼称，这个标签具有误导性，因为它给人们留下的印象是这些产品已经经过了第三方认证，而该认证实际上是该公司自己完成的。

5·What makes smart girls more vulnerable, and less confident, when they should be the most confident kids in the room?

是什么让聪明女孩更加脆弱和不够自信，而她们本可以成为房间里最自信的孩子的？

既然

1·How can I love myself when I look like this?

既然我这么一副样子，我怎么能爱我自己？《柯林斯英汉双解大词典》

2·I figured, why eat when I was going to puke it up again?

我在想，既然我马上就会再吐，那为什么还吃呢?《柯林斯英汉双解大词典》

3·How can they expect to learn anything when they never listen?

既然他们从不听讲，他们怎么能指望学到东西呢？《牛津词典》

4·Why tell the truth when you can come up with a good excuse?

既然你能找到好的借口，那为什么要说出真相呢？

5·Why bother saving when I might not be here tomorrow, they argue.

他们争论道，既然我明天可能不在世上，为什么还要存钱呢？