先生[xiān sheng]

teacher; Mr.; doctor; mister; sir; gentleman; Shri; gent; guv; squire

例句

Please, mister, can we have our ball back? 

求求你，先生，能把球还给我们吗？

May I suggest a white wine with this dish, Sir? 

先生，吃这道菜，我给您推荐一种白葡萄酒，好吗？

I think Mr Harris is at lunch. 

我想哈里斯先生正在吃午饭。