ㄏㄠˇㄕㄨㄛㄉㄞˇㄕㄨㄛhǎoshuō‑dǎishuō

好说歹说
  1. 種種理由方式反覆請求勸說 警察好說歹說總算打消尋死念頭」、老師好說歹說終於下定決心痛改前非」。

to try one's very best to persuade sb (idiom)​, to reason with sb in every way possible