restrain 、constrain、

  restraint 、constraint

restrain

constrain

这两个词都含“抑制”、“制约”、“阻止”的意思。

restrain    常用于表示克制自己的行为或情绪，也可表示制止他人的行为，但制止方式较为

   温和，带劝告性的。常用结构是：restrain …… from ……。名词restraint后接介词on。

    1）The manager asks his employees to restrain themselves from playing games on

       the web during work time.

       经理要求他的员工克制自己，不要在工作的时候在网上玩游戏。

    2) The mother tried to restrain her children from making big noise in the public

       places.

       这位母亲竭力抑制自己的孩子不在公共场所大声喧闹。

    3) The police exercised great restraint by not responding to the insulting

       remarks of the protesters.

       警察采取极大克制态度，对示威者的辱骂未作任何反应。

    4) Don’t you think it necessary for you to exercise some restraints

       /restrictions on your behaviors?

       难道你不认为你有必要对自己的行为加以约束吗?

constrain    指强制性抑制或制止他人的行为。名词constraint后也接介词 on。

    1) He constrained his daughter from going out to date with boys during the

       night.

       他禁止他的女儿夜晚外词汇与男孩约会。

    2) The policemen had difficulty in constraining the crowd from rushing onto

       the football pitch.

       警察难以制止人群冲进足球场地。

    3) Since the entry into the World Trade Organization, China has been reducing

       constraints on imports.

       自从加入世界贸易组织,中国已经降低了进口限制。

refrain

restrain

refrain     也可以表示自我克制不做某事，但要注意与 restrain 不同的表达方式：

                    refrain from

                   restrain …… from ……

    1) She refrained from scolding her naughty child until the visitors left.

       She restrained herself from scolding her naughty child until the visitors

       left.

       她忍着直到客人走后才淘气的孩子。

    2) He refrained from criticizing her out of regard for her feelings.

       He restrained himself from criticizing her out of regard for her feelings.

      出于不伤害她的感情，他忍住没有批评她。