a polite or old-fashioned way of referring to or talking to a woman

There's a young lady here to see you. 这里有位年轻的女士要见你。

Mind your language - there are ladies present! 你说话注意点儿——有女士在场！

Say "thank you" to the lady, children. 孩子们，对这位女士说“谢谢”。

old-fashioned Is the lady of the house (= the most important or only woman who lives in the house) at home? 女主人在家吗？

a woman who behaves in a way that is traditionally considered to be suitable for a woman

Of course I remember Mrs Connor - she was a real lady. 我当然记得康纳太太—— 她是个真正的淑女。

sometimes used before the name of a job done by a woman

a lady doctor 女医生

used to talk to a woman in a way that is not polite and is considered offensive by many women

Hey, lady, what's the rush? 嘿，女士，忙什么呢？

a women's toilet in a public place or building such as a hotel or restaurant

I'm just going to the ladies. 我正要去女洗手间。

Is there a ladies on this floor? 这层楼上有女厕所吗？

We spent a lot of time in the ladies, doing our makeup.

Where is the nearest ladies' room?

We managed to find a ladies' toom at the back of the department store.

used to talk to the members of the audience when you are making a speech

Good evening, ladies and gentlemen, and welcome to our show. 女士们先生们，晚上好，欢迎大家来看我们的表演。

Ladies and gentlemen, welcome to this evening's concert.

This, ladies and gentlemen, is the man we've all been waiting for!

I do apologize, ladies and gentlemen - we hope to have the lights working again any moment.

Ladies and gentlemen. Tonight I want to make a pledge to you.

a title given in the UK to a woman or girl who has the social rank of a peer, or to the wife of a peer or knight

Lady Diana Spencer 黛安娜‧斯潘塞夫人

Sir Charles and Lady Finlater 查尔斯爵士和芬莱特夫人

Compare: DameLord (TITLE)noblewomanpeeress