n.微笑者;
例句:
Mr Kim is an ace non-smiler.
金先生是不苟言笑的高手.
As he was always cheerful he had the nickname'Smiler'.
他总是快快乐乐的,因而得了个外号叫‘乐乐 ’.
As he was always cheerful he had the nickname Smiler'.
他总是快快乐乐的,因而得了个外号叫`乐乐 '.