be a paragon of virtue and learning; be a model for others; be worthy of the name of teacher
❍ 你今天已经不是学生了，你要～，做出榜样来。You’re no longer a student now. You should be worthy of the name of teacher and set a fine example.
为人师表wéi rén shī biǎo
指在品德和学问方面值得别人学习，成为榜样。be a model for others, be a paragon of virtue and learning, be worthy of the name of teacher