let something slip through your fingers (or grasp)
1 lose hold or possession of something.
2 miss the opportunity of gaining something.
❷1925W. Somerset MaughamOf Human Bondage He was mad to have let such an adventure slip through his fingers.
英语词组固定搭配大全包含15956条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。