self-con·trol /-kənˈtrol/
  自我控制
  Self-con·trol n. Control of one's self; restraint exercised over one's self; self-command.
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  self-control
       n 1: the act of denying yourself; controlling your impulses [syn:
             self-denial, self-discipline]
       2: the trait of resolutely controlling your own behavior [syn:
          self-possession, possession, willpower, self-command,
           self-will]