to blab
01
ぺちゃくちゃしゃべる, だべる
to talk excessively or thoughtlessly
例
During the meeting, the colleague continued to blab about unrelated topics, prolonging the discussion unnecessarily.
会議中、同僚は関係のない話題についてべらべらしゃべり続け、不必要に議論を長引かせた。
02
to reveal confidential or private information carelessly
例
He blabbed about the surprise party before anyone else knew.
