bite one's lip

... she never opened her lips. 她从来不开口 bite one's lip (为压制感情)咬紧嘴唇 button up one's lip 〔美俚〕住嘴，保守秘密 ...

Kick back 其乐无穷-英语点津 ... Money in the bank 稳操胜券 bite one's lip 保持沉默 Make a killing 大赚一笔 ...

百度词典搜索_bite ... bite the hand that feeds one1. 恩将仇报 bite one's lip1. （因尴尬、悲伤、生气或不愿开口）而紧咬着嘴唇 ...