count me in 算我一个
count me out 别算上我
例句：
If you're going to a movie,count me in.
如果你们要去看电影，算我一个。
Count me in,I want to go with you guys.
算我一个，我想和你们一起去。
A:Hey,Jack,we're going to a you gonna come with us?
嗨，杰克，我们要去酒吧，你要一起去吗？
B:Actually,I'm not feeling count me out.
其实呢，我感觉不太舒服，所以别算上我了。