thrown down的用法和樣例：
例句
- House Speaker Jim Wright yesterday threw down the budget gauntlet before President-elect George Bush, telling him he must decide whether to raise taxes or reduce military spending or Congress will do it for him.
眾院議長賴特向總統當選人布希擲下預算挑戰書，要總統當選人布希必須決定增稅或削減軍費，否則國會就要越俎代皰。 - Something, such as a glove, that is offered or thrown down as a pledge or challenge to fight.
象徵挑戰而扔下的手套如手套等作為挑戰而主張送出或扔在地上的物品
