口を利く

to speak; to talk, especially to or with someone

→ 口
phrase Rare #30,597
to speak; to talk, especially to or with someone Often appears in negative forms such as 口を利かない, meaning “not to speak” or “not to talk to someone.” In phrases such as 偉そうな口を利く, it refers to speaking in a particular manner or tone.
JA: 彼は初対面の人にも気さくに口を利く。
EN: He chats easily even with people he has just met.

二度と母さんに向かってそんな口を利くんじゃない!

Don't you ever talk to your mother like that again!

— ジョジョ・ラビット (2019)