He is a lady killer.
He dates around a lot.
He is a real playboy.
She really turns me on.
（也可以说：I'm crazy about her./
I have strong feelings for her.）
I've got the feeling that she likes me.
I have a hunch that she likes me.
She has been coming on to Jack.
I'm dying to see her.
I'm trying to make a pass at her.
She is a knockout.
She is sexy.
She is beautiful.
I think he has a crush on you.
If you are free, why don't we go out tonight?
Would you like to go to the movies with me?
Please keep me company for a while.
Sorry. I have a boyfriend.
A: Julia, are you free tonight?
B: What's up?
A: I want to invite you to go to the movies.
B: Are you asking me for a date?
B: I don't like to go to the movies on a date. It's noisy there.
A: Where do you want to meet?
B: Let's go to the coffee shop then. It's quiet there.
A: What time should we meet?
B: How about seven?
A: All right.