1 hot

惹火

She is hot. = She is really beautiful.

她很美艳。

例子： The movie was bad but the main actress was hot so it wasn't too boring.

这部电影不怎么样，不过女主角十分美艳， 所以还不沉闷。

1 fight tooth and nail

爪牙并施，拼命抵抗。

I was fight you tooth and nail. = I will not give up.

我决不认输。

例子： That company has been fighting tooth and nail to stay in business since it got more competition.

自从那家公司面对更多竞争，它就拼命抵抗，决不歇业。

1 between a rock and a hard place

进退维谷（前有狼后有虎）

I was stuck between a rock and a hard place. = I was undecided which thing I should do because they both seemed bad to me.

我不能决定到底怎么做，因为左也不好，右也不好。

例子： When I saw my boss stealing things from the company, I was between a rock and a hard place. Should I not tell anyone or should I confront him and risk losing my job?

我看见老板偷了公司里的东西，让我进退两难。我应该装聋作哑，还是应该冒着被解雇的危险去跟他正面冲突呢？