also bitchen, "good," teen/surfer slang attested from 1950s, apparently from bitch (v.) in some inverted sense. Meaning "complaining" is by 1945, U.S. armed services.
权威例句
1. They're forever bitching about everybody else.
他们永远都在怨别人。
2. Stop bitching and get back to work.
别牢骚满腹,工作要紧.
3. She's always bitching about the people at work.
她总是埋怨正在干活儿的人.
4. Camilla: She's such a miserable type and always bitching about her friends.