wimp

懦夫、胆小鬼、软脚虾贬义、口语

Don't be such a wimp; just tell her how you feel.

别这么胆小，直接告诉她你的感受。

弱鸡、体弱的人口语

He used to be a wimp, but now he lifts weights daily.

他以前是个弱鸡，现在每天都在重训。

临阵退缩、打退堂鼓口语，wimp out

She wimped out of the interview at the last minute.

她在最后一刻对那场面试打了退堂鼓。