Just because I don't complain, people think I'm satisfied.

就因为我不发牢骚，大家便以为我满意了。

《牛津词典》

Don't complain of being hard up before me!

不要在我面前哭穷!

《新英汉大辞典》

Just don't complain later.

只是之后不要抱怨。

youdao

"The majority of them don't complain about the problems here, " Rodriguez whispered about the passing Chavez supporters.

NPR: Hugo Chavez Coffin Parades Past Venezuela's Ills

If you don't vote, then don't complain afterwards because you have had the chance to express your views.

BBC: Will you vote for the police and crime commissioners?

Representative FRANK: Well, if you are a lion tamer, don't complain to me when a lion bites you.

NPR: Gay Republicans Feel Heat from the Foley Scandal