1.fit in 适合,适应,融入
He's never done this type of work before; I'm not sure how he'll fit in.
他以前从未做过这种工作,我不知道他是否能配合好 。
Do these plans fit in with your arrangements?
这些计划与你的安排一致吗?
2.at the expense of 以...作为代价
You will be reimburse for your expenses or your expenses will be reimburse.
你的花费将得到偿还 。
They purchased life at the expense of honour.
他们以牺牲名誉为代价换得了生命 。
3.stay awake 醒着;保持清醒
It is impossible to stay awake when they show slides.
当他们在放映幻灯片时,要我保持清醒是不可能的 。
As the afternoon wore away, I found it more and more difficult to stay awake.
下午慢慢过去,我才发觉越来越难以抗拒睡意 。