介绍:
birthday
1. Happy birthday!
e.g.: Happy birthday! Jane, this is my present -- guess what it is.
Let me be the first to wish you a happy birthday!
2. in (one's) birthday suit
e.g.: Here's a picture of me in my birthday suit, aged three!
Please wait in the sitting room. I've just been having a bath and, and I'm … still in my birthday suit!
