学词组、造句子，妈妈再也不用担心我的作文了
【with might and main】explanation：to try one's best
释义：竭尽全力
All citizens are protecting their city with might and main.
所有的市民都在竭尽全力保卫他们的城市。 【wind up】
explanation：stop doing sth. / come to an end
释义：结束
This soap opera wound up with awful ending.（我用的过去时态噢）
这部肥皂剧的结局很狗血。
ps：wind sb up 在非正式场合表示忽悠某人的意思 【live up to】
explanation：be able to reach expectation
释义：做到；不辜负
I try to live up to my parents' expectation with might and main.
我尽全力不辜负父母的期许。
【down the stretch】
explanation：at a crucial time
释义：在关键时刻
He can stay calm and shoot the ball down the stretch.
他在关键时刻仍保持镇静，射出一记好球。 【on the off chance】
explanation：thinking that sth. happen with little chance
释义：对......抱有微小希望；只是碰碰运气（后面可跟of sth. / that 从句）
（1）The police believes that Mrs. Smith is alive on the off chance.
=The police holds a belief on the off chance of Mrs. Smith's survival.
（2）He came here on the off chance that she would meet him. 【at the helm 】
explanation：be at power/take control; behind the wheel
释义：掌控；掌舵
With him at the helm, the company is able to go on right track and reverse the profit and loss.
在他的掌控下，这家公司得以步入正轨并扭转盈亏。
Beethoven is always at the helm of his own fate so that he can become an excellent musician.
贝多芬总能掌舵他自己的命运，因而成为一名卓越的音乐家。 【by and large】
explanation：as a whole/ in principle
释义：大体上，总的来说
Except some spelling mistakes, this article is by and large excellent .
除了一些拼写错误，这篇文章总的来说是优秀的。
【in stride】
explanation：being not affected by outside world
释义：泰然自若地；不影响正常活动地
He pretended nothing happened and walked around the criminal scene in stride.
他假装没事发生，泰然自若地在犯罪现场四处走动。
常见的搭配有 take sth. in stride 【in the air】
explanation：⑴in the sky ⑵in the balance
释义：1.在空中 2.悬而未决
1.You can smell it in the air.你可以在空气中闻到味道。
2.The answer to that question is still in the air. 那个问题的答案仍悬而未决。 【make up for sth】
explanation：compensate
释义：补偿
A not-so-perfect woman can make up for her shortcomings with more education.
一个并不那么完美的女人会通过更多的教育弥补她的缺陷。