1. let alone

(1) 不干涉，不打扰；不理，放任

eg. Let him alone. He needs a rest.
别去打扰他，他需要休息一下rQO-,vs=fwoANnAN1uLC。

eg. Let her alone when she is not happy.
她不高兴时别去惹她6NfCkn;okQ,og&^。

(2) 更不用说

eg. She can't ride a bicycle,let alone drive a car.
她连自行车都不会骑，更别说开小汽车了k^T7DI)X2|-R9N_3~e;l。

2. get through

(1) 完成

eg. I think you can get through the first two chapters.
我想你能完成前两章R,Y#xvc76SnLs2.3。

(2) 熬过

eg. It is hard to see how people will get through the winter.
很难想像人们将怎样熬过这个冬天Fh!b.VZJRyES(0DJJ。

(3) 使……理解

eg. An old friend might well be able to get through to her and help her.
一位老朋友也许能让她理解并帮助她WC^9|OYoTkg。

3. long to 渴望

eg. That they get bored with childhood,they rush to grow up,and then long to be children again.
开始他们觉得童年很无聊，于是急着想要长大，当真的长大了就又渴望回到童年&Z*!N6[fBfR8s9。

eg. I long to alleviate the evil, but I can't, and I too suffer.
我渴望能够减少邪恶，但是我无能为力，而且我自己也在忍受折磨(O(p@p6#.E。

4. knock over 打翻；撞倒

eg. And woops—I knock over the tower.
可是我居然打翻了这座积木塔RAvllIUBUp0gz#yeb。