To start thinking carefully about something
开始认真思考某事 (kaishi renzhen sikao moushi)
"It’s time to put your thinking cap on for the quiz."
"该为测验认真动脑了。" (gai wei ceyan renzhen dongnao le)
to stop a problem before it gets worse
to say something embarrassing or inappropriate
to keep feelings inside and not express them
to stop thinking about something for a while and relax
an ambitious person who achieves their goals
to feel very nervous about something
