sit on your hands take no action.
2013Daily Telegraph It is … only the latest in a long line of child abuse and neglect cases, from Baby P to Daniel Pelka, in which the authorities have sat on their hands until a child died.
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。