loosen up (someone's) tongue

Translations
развязать (кому-то) язык
A few drinks helped to loosen up his tongue.
Несколько напитков помогли развязать ему язык.
Definitions
To make someone more willing to talk or share information, often by helping them relax or by lowering their inhibitions.
Words
loosen

verb
развязать
up

adverb
полностью
someone

pronoun
кто-либо
is

functional word
есть
tongue

noun
язык