loosen (your) tongue
if alcohol loosens your tongue, it makes you talk a lot without thinking carefully about what you are saying.
Her tongue loosened by drink, she began to say things that she would later regret.
英语词组固定搭配大全包含18674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。