1.took part in参加
I took part in a English speech contest. I have a lot of harvest in this contest.
我参加了一次英语演讲比赛。这次比赛让我有了很多的收获。
2.drop out 退出;退学
We should help those who drop out of university because of economic reasons .
我们应该帮助那些由于经济原因从大学退学的学生。
3.by the end of 到...结束时
You should present your dissertation by the end of next month.
你应该在下月底之前提交你的学术论文。
4.set up建立;装配
Thirdly, if it is necessary, we should set up some new reserves for them.
第三,如果必要的话,我们应该为它们建立一些新保护区。
5.resign from辞职
He spent ages negotiating for a pay increase, only to resign from his job soon after he'd received it.
他花了很多时间来谈判提高工资,却在加了工资后不久辞职了。
6.sign into law 签署成为法律
He still wants legislation to sign into law by the end of the year.
他仍然希望今年年底之前将立法签署法律。











