唱歌曲用英文怎么说

"Sing a song" 是表示唱歌的常用英语表达方式。

来源：这是一种简单直白的表达方式，语言本身就能够表达这个意思，没有特定的来源。

例句：

Can you sing a song for me? (你能为我唱一首歌吗？)
She loves to sing a song when she's happy. (她喜欢在高兴时唱歌)
He sang a song in front of the whole school. (他在全校前面唱歌)

请注意，"sing a song" 一般用于不确切地指定歌曲，如果你想表达具体的歌曲，你需要在其后面添加歌曲名称，例如:

Can you sing "Happy Birthday" for me? (你能为我唱“生日快乐”吗？)
She loves to sing "I Will Always Love You" when she's happy. (她喜欢在高兴时唱“我永远爱你”)