Everyone mumbles along because no one wants his or her voice to stand out, and the person with the birthday forces a smile and looks at the ground until the song’s over.

每个人都咕哝着附和，因为谁都不想让自己的声音突显出来。而那个过生日的人则在歌声飘荡的时候，强挤出一丝微笑，低头看着地面。