ダウン

(1)stop operating; "My computer crashed last night"; "The system goes down at least once a week"

(2)機能することをやめる

(3)go down in value; "Stock prices dropped"

(4)価値の下落

(5)bring down or defeat (an opponent)

(6)（敵を）打ち倒す、あるいは、破る

(7)be defeated; "If America goes down, the free world will go down, too"

(8)破られる

(1)