to recognize

• 认出来人是位老朋友

  recognize the person coming as an old friend

• 认出乔装的间谍

  recognize a spy in disguise

• 认出他是个外国人

  spot that he is a foreigner

• 人老得叫人认不出了

  aged beyond recognition

• 他马上认出是自己的东西。

  He immediately recognized that they were his own things.