GbEng
＂他是个伪君子，从不尽力帮助任何人。＂ He is a hypocrite and never exerts himself to help anyone.
他看上去完全是正人君子. He looked every inch a gentleman.
从各方面来看, 他都是个正人君子. He was a real gentleman, first and last.
君子协定通常不能在法律上得以强制执行。 A gentleman's agreement is not usually enforceable by law.
他可不是正人君子! He's no gentleman!
他才是个真正的君子：而对挑衅他能竭力忍着不动怒。 He was a real gentleman: he managed to control his temper despite the provocation.