IFS

I don't want any ifs and buts; do it at once.

"我想听任何要推延的理由,立刻干吧。"

I don't want ifs and buts; swallow your medicine at once.

我可听你泡, 上吞下你的药。

If you disagree you should speak out.

如果同意, 你就该大声地说出来。

If the police leave, disorder will result.

警察一走，就会大乱。

His playing compels respect, if not enthusiasm.

如果是狂热的话，他的表演就是强迫他人予以敬重。

The coupon is not valid if detached.

这折扣券撕下即无效。

I doubt if it will rain today.

我确定今天是否会下雨。

If in doubt, call for an ambulance.

如果放心，就打电话叫救护车。

I shall esteem it a favo(u)r if ....

若蒙...胜荣幸。

Woe betide you if you betray us.

如果你背叛我们, 你会得到报应。

If bend hind irreclaimable, should change new.

如弯曲后恢复，则应更换新件。

She sat there motionless, as if spellbound.

她坐在那儿一,似乎着了魔。

If you have any requirements, ask me.

如果你有什么要求，请向我提出来。

If you try hard, you will succeed.

如果你努力, 就会成功。

I doubt if anyone slept that night.

我怀疑那天晚上是否有人睡过觉。

I ate as if there was no tomorrow.

我顾后果地狂吃。

I'll be blowed if it is so.

绝会有这回事。

If he dies, he will become a martyr.

如果他死了, 他将成为烈士。

Do you mind if we discuss this later?

我们以后再讨论这个问题好吗？

If anybody was a diverger, it was Mozart.

如果说谁是真正的“分散”者，那就是莫扎特。