confinement, limitation, restraint

　　这一组名词都有限制，局限的意思。

　　confinement n.限制，囚禁。

　　The prisoner was sentenced to three months solitary confinement.那犯人被判处单独监禁三个月。

　　limitation n.限制，局限;缺点，弱点。

　　That employee has limitations on what work he can do.那个雇员能做的工作有限。

　　restraint n.克制，抑制;约束措施。

　　Even though the mother was very angry, she acted with restraint and didnt yell at her child.即使母亲很生气，她仍克制自己没有向孩子大吼。