Favorite Chinese Idiom | 最喜欢的成语，俗语，等等

脱裤放屁！ Taking your pants off to fart. (Something that is superfluous, unnecessary)

Well, that's going to the top of my list of important phrases to learn!

一朵鲜花插在牛粪上
This is another great one.

A flower planted in crap.
A pretty girl who is with an old / disgusting guy.
(I think that is what it means)

Favorite Chinese Idiom | 最喜欢的成语， 俗语， 等等