serenade
verb [ T ] uk/ˌser.əˈneɪd/ us/ˌser.əˈneɪd/
（尤指夜间男子在心仪女子的窗外）为…演奏（或演唱）
to play a piece of music or sing for someone, especially for a woman while standing outside her house at night
Romeo serenades Juliet in the moonlight. 罗密欧在月光下为朱丽叶唱起小夜曲。
Shoppers are serenaded with live piano music. 购物者可以欣赏到现场演奏的钢琴曲。
serenade
noun [ C ] uk/ˌser.əˈneɪd/ us/ˌser.əˈneɪd/
（为某人演唱或演奏的）曲子
a song or piece of music sung or played for someone
小夜曲
a piece of classical music in several parts
"Moonlight Serenade" 《月光小夜曲》