只有一個(gè)女士的時(shí)候說 lady first
有多個(gè)女士的時(shí)候說 ladies first
例句：
At the very first meeting, men should be introduced to ladies first.
初次見面要先把男士介紹給女士。
Get your tickets ready and ladies first please!
對(duì)不起，先生。請(qǐng)讓女士先來！
Dad: No, ladies first, I insist.
爸爸：不，我女士?jī)?yōu)先。
Serve it to the ladies first.
把它先端給女士們。
When you do somethings, remember ladies first.
無論你做什么都一定要記�。号�?jī)?yōu)先。