break後面接介詞up,brea down分解發生故障失敗毀掉制服,break out v. 爆發突發 等,break up中文意思是“打碎,破碎結束解散衰落”
The authorities have urged people to stock up on fuel in case hostilities break out.當局已敦促人們儲備燃料以防戰爭爆發。