beat down
phrasal verbbeat something down
to hit a door, etc. many times until it breaks open 砸开，砸破（门等）
beat down (on somebody/something)
if the sun beats down, it shines with great heat （阳光）强烈照射，晒 The sun beat down on the desert sand. 阳光照射在沙漠上。
beat somebody/something down (to something)
to persuade somebody to reduce the price at which they are selling something 说服某人降价；杀价 He wanted $8 000 for the car but I beat him down to $6 000. 他那辆汽车要价 8 000 美元，但我压到了 6 000 美元。 I beat down the price to $6 000. 我把价杀到了 6 000 美元。