近義詞有 restriction , qualification , barrier， block , to bound。

　　restriction

　　n. 限制；約束；束縛

　　1、His parents are trying to make up to him for the restrictions of urban living.

　　他的父母正試圖為城市生活的諸多限制而補(bǔ)償他。

　　2、Do you have any diet restriction?

　　您是否有任何飲食限制嗎?