（讲话时对听众的称呼）女士们先生们
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.
See also: lady