beat something out
phrasal verb with beat verb uk/biːt/ us/biːt/ beat | beaten or beat
(MUSIC)
打拍子;用鼓点奏出节拍;敲打伴奏
to make sounds that have a particular rhythm by hitting something such as a drum
The drummer beat out a steady rhythm while we marched. 我们随着鼓手打出的稳健节拍大步前进。
(FIRE)
扑灭（火）
to make a fire go out by hitting it repeatedly with an object, such as a large piece of cloth
She beat the flames out with her bare hands. 她赤手空拳扑灭了大火。