chara-chara
Talking in a lighthearted, superficial, or flirtatious manner without substance. Can imply being insincere or shallow.
💡Used for someone chatting up strangers, speaking without seriousness, or dressing/acting flashily.
彼はちゃらちゃらした話し方で女の子に声をかけた。
He chatted up the girl with his frivolous, flirtatious manner.
Stop talking ___ and get serious about this project.
___した話し方はやめて、このプロジェクトに真剣に取り組んで。