if的例句大全

If the new actor is no good, kick him out.

如果那个新来的演员不怎么样就让他走.

We'll never get there if he doesn't speed up.

如果他不快些走,我们一定到不了那里.

I feel suffocated if I don't speak out.

骨鲠在喉,一吐方快.

We will not attack unless we are attacked; if we are attacked, we will certainly counterattack.

人不犯我,我不犯人; 人若犯我, 我必犯人.

If plastic and rubber are burnt, they'll give off poisonous gases.

要是塑料和橡胶被焚, 就会放出有毒的气体.

What if we should fail?

倘若我们失败了 怎么办 ?

Litter in the hen coop beds down if it is not raked.

鸡笼里的稻草如不清除会形成硬层.

I shall have to read up on this subject if I am to give a talk about it.

如果我准备做一次关于这课题的讲座,我就必须把它彻底研究一番.

If you tried, you could do the work better.

如果你试试的话, 准能把那项工作干得更好.

The area can easily be worked out if you know the length and the breadth.

如果你知道长度与宽度,面积很容易计算出来.

If you find anything wrong with the machine, you should put it right at once.

发现机器有故障, 要及时排除.

If I don't go to the party, I shall feel I'm missing out.

如果我不去参加聚会, 我将会感到错失良机.

I doubt whether [ if ] he is at home.

我看他不一定在家.

They were ready to die , if necessary, for their country.

必要时, 他们愿为国捐躯.

If you're wrong, you should admit it.

错了就要认账。

If anything should happen to him, that would be too bad.

如什么意外的事临到他的头上, 可就糟了.

If I'd known this beforehand, I would not have gone back.

早知如此, 我就不回去了.

They'll catch a packet if they try to go round the points.

如果他们要绕过那个小岬就会有葬身鱼腹的危险.

If you live on a mountain , you live off the mountain ; if you live by the water , you live off the water.

靠山吃山, 靠水吃水.

His apparent unwillingness would disappear if we paid him enough.

如果我们付足了钱,他露出的那副不乐意的神情就会消失.