turn down 2022.12.06 turn downとは 意味・定義・例文 Phrasal verbs 句動詞 1. say “no” to what someone wants to do or to give you 断る I'll have to turn down your offer. 2. decrease the volume of sound by turning or pressing a switch on a machine 音量を下げるを下げる, スピードを下げる