1.
make a virtue of necessity
把必须做的事装成出于好心做的
2.
What must be done, must be done.
必须做的事情就必须做。
3.
Concentration is essential if you want to do a good job.
如果你想把事情做好,专心是必要的。
4.
We must do all that is to be done.
我们必须做该做的事。
5.
promise to do what is needful
答应做必须做的事.
6.
I'll do what I must.
我必须做我该做的事。
7.
China has the genius to do what it must.
中国具有办好它必须做好事情的天赋。
8.
Who makes everything right must rise early
要把事事都做好,必须坚持起得早
9.
We would make a virtue of necessity.
我们要把迫不得已而为的事装成出于好心而为。
10.
We had to make the best of it, and that is never worth doing by halves.
我们必须竭力把事情做好，有头无尾的事是不值得一试的。
11.
Write down what you have to do.
把你必须做的事情写下来。
12.
I must apply myself closely to my studies so as to be able to cope with my duties (as a teacher).
我必须专心学业以便能做好我的职责。
13.
All you have to do is (to) send out the letters.
你所必须做的就是把信寄出而已。
14.
She must exact fresh concessions from her pride.
她必须强迫自尊心做出新的让步。
15.
Complete sth unpleasant but necessary
完成或结束必须做的讨厌事
16.
She was treated like a servant, where she did all the household chores,
她被当成佣人看待，必须做所有的家事，
17.
Is there anything that I have to do?
有什么必须做的事吗？
18.
He won't go at a job with the confidence necessary for success.
他做工作缺乏成功所必须的信心。