tune

I can't stop humming that catchy tune from the radio advertisement.

(Chinese) 我忍不住一直哼着广播广告里那段朗朗上口的曲调。

He played a simple folk tune on his acoustic guitar for the children.

(Chinese) 他用原声吉他为孩子们弹奏了一段简单的民谣旋律。

You should always tune your violin before you start practicing a new piece.

(Chinese) 在开始练习新曲子之前，你应该总是先给小提琴调音。

The piano tuner came to our house to fix several notes that were out of tune.

(Chinese) 钢琴调音师来我家修复了几个音准不正确的音符。