孙杨

In a sentence

• 孙杨是中国著名的游泳运动员。

  Sun Yang is a renowned swimmer from China.

  In this sentence, '孙杨' is a proper noun referring to the person's name and identity as a professional swimmer.

• 我听说孙杨最近参加了一场国际比赛。

  I heard that Sun Yang recently participated in an international competition.

  Here, '孙杨' specifies the individual as the subject performing the action of participating in a competition.

• 许多人支持孙杨，因为他的表现一直很优秀。

  Many people support Sun Yang because his performance has always been excellent.

  In this case, '孙杨' is the focus of opinions and gain support as an individual reflecting excellence and achievement.