blow the gaff reveal or let out a plot or secret. British informal, dated
☞ The word gaff is recorded from the early 19th century, but its origins are uncertain.
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。