a square peg in a round hole

1. 不合适的人(或东西)

He can never do the job well. He is just like a square peg in a round hole.

他永远做不好这工作, 他根本就不合适。

off the peg

1. 现成的

I bought the dress off the peg.

这连衣裙我是买现成的。

peg away

1. 坚持不懈地做

He pegged away at the work throughout the night.

她孜孜不倦地做了一个通宵。

peg down

1. 用木桩固定

They have pegged the tent down.

他们已把帐篷用木桩固定住了。

2. 约束; 使遵守

We must peg them down to the promise.

我们一定要他们遵守诺言。

peg out

1. (用木桩)标出

The surveyor pegged out the plot of land.

测量员们用木桩标出了那块地。

take sb. down a peg (or two)

1. 下某人面子; 杀某人威风

They were doing that to take him down a peg or two.

他们那样做是为了杀杀他的威风。