知耻而后勇

要懂得知耻而后勇,知错能改,善莫大焉

Must understand that knowing shame leads to courage; correcting mistakes is a great virtue

学生成绩不好就应该知耻而后勇吧

Students with bad grades should know shame and be courageous

知耻而后勇,终于拿到了世界杯的首胜

Knowing shame led to courage, finally won the first World Cup victory