口軽い 〔おしゃべりな〕talkative;〔つまらないことをよくしゃべる〕garrulous;〔多弁な〕voluble
- 口軽に何でもしゃべる
- prattle on about anything and everything/chatter away
- どうも妻は口軽で困る
- My wife's talkativeness is an embarrassment.
- 彼女は口軽だから気を付けろ
- Be careful ― she doesn't know how to keep her mouth shut.