입을 열다

to speak; to start talking or reveal information

→ 입
phrase Uncommon #10,144
to speak; to start talking or reveal information Literally means “to open one’s mouth.” Depending on context, it can mean beginning to speak or divulging information.
KO: ‘입을 열다’는 말을 시작한다는 뜻이다.
EN: “입을 열다” means to start speaking.