面带微笑 have a smile on one's face / with a smile smilingly 微笑着，微笑着做某事就是边做事边面带微笑 他面带微笑地说道... he said with a smile... 她总是面带微笑 She always has a smile on her face. 比赛中, 我方主辩始终面带微笑。 Our first speaker kept smiling throughout the entire contest.