sing a song 唱歌
sing along 跟着唱
sing loudly 大声唱
sing beautifully 唱得好听
A: Does she sing well?
A：她唱歌好听吗？
B: Yes, she sings perfectly.
B：是的，她唱得完美极了。
1) 唱歌，唱出旋律
2) 随声附和
3) (法律) 供认，招认
1. 唱歌
verb
1. to make musical sounds with the voice, especially with words
Synonym: croon, chant