毒天二鼓 dú tiān èr gǔ

dú tiān èr gǔ set phrase the two kinds of drum, the poison drum and the deva drum
Domain: Buddhism 佛教
Notes: In the sense of 毒鼓 'poison drum' and 天鼓 'deva drum; the poison drum wards away evil using harsh words and the deva drum, which uses gentle words for producing good (FGDB '毒天二鼓'; SH '毒天二鼓', p. 265)