to become mentally unstable or extremely upset
变得精神不稳定或极度心烦 (biande jingshen bu wending huo jidu xin fan)
"He nearly lost his mind after the breakup."
"他在分手后几乎疯了。" (ta zai fenshou hou jihu feng le)
to plan something in detail
an early warning of potential danger
to say something embarrassing or inappropriate by mistake
to perform well or meet expectations
to be brave enough to have big ambitions
to believe someone even if you are not sure they are telling...