they'll start to like sing to them or maybe they'll see you, like... you know.

他们会开始对行人唱歌或者可能他们看到你时，比如……

街头表演的魅力 - SpeakingMax英语口语达人

Everybody's got the sheet there and what I would like to do is just have everyone, all of this--We'll just sing "La" Here. We won't sing the text.

每个人都有一张,我想做的就是让每个人,大家只唱,啦,不用唱歌词

耶鲁公开课 - 聆听音乐课程节选