put your finger on identify something exactly.
1988Glenn PattersonBurning Your Own There was something about the dinette that struck him as peculiar, but he couldn't quite put his finger on it.
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。