先生:gentleman;mister；man
女士:lady；madam； young lady
1.先生：
Mister,简称 Mr.
或者Sir
或者Gentleman(绅士)
2.女士：
已婚的 称 Mrs.或者 Madame/Madam
未婚的 称 Miss
不确定婚姻状况的 称 Ms
例句：
"However, a man usually does not shake hands with a woman unless she offers her hand first. "
可是如果女士不主动伸手男士一般不跟她握手。
Five men were invited, including him
包括他在内，有5个男士被邀请。
We prefix "Mr." to a man's name
我们在男士的姓名前加"先生"。
When I got to the park for our date, I looked around for a blond man with a buzz cut and a military bearing
我到了约定地点后，朝四周张望，寻找一位短发、有军人风度的白肤男士。
No, they are not regretful tears. I have no regrets where this boy--this man--is concerned. He has been, and always will be, my pure joy
不，这不是遗憾的泪水。对这个男孩儿，不，对这位男士，我没有什么可遗憾的。他一直，也将永远会是我纯粹的快乐。
Both businesswomen, how ever, note that more men buy presents for their girlfriends, instead of vice versa
这两位商界女士都认为，尽管为男士买花的女士越来越多，但顾客中男性还是多于女性。
He was a man of noble race
他是个出身高贵的男士。
和平常一样，爸爸在和所有的女士调情，或者说所有的女士都在和他调情。
Dad's flirting with all the ladies, or they're all flirting with him, as usual
所有女士都高度赞扬了工作人员和他们所提供的服务。
All the ladies are full of praise for the staff and service they received
利斯特死了，还有三个迈阿密毒贩和一位女士也死了。
Lister's dead. Ditto three Miami drug dealers and a lady.
海史密斯女士已经在瑞士安了家。
Ms Highsmith has made Switzerland her home
那位女士冷淡地朝我点头。
The lady nodded drily to me.
参考资料：男士-百度翻译 百度翻译-女士
金色年华119
