见义勇为

jiànyìyǒngwéi

HSK 7

见义勇为 — jiànyìyǒngwéi

1. to step in and help; to take brave or selfless action (usu. of a passer-by who comes across a critical situation)

   他见义勇为，救了落水的孩子。 tā jiànyìyǒngwéi jiù le luòshuǐ de háizi — He stepped in to help and saved the child who had fallen into the water.