burn up
phrasal verbburn up
to be destroyed by heat 被烧毁;被烧掉 (usually used in the progressive tenses ) (informal)通常用于进行时 to have a high temperature 发烧;体温高 (of a fire )火 to burn more strongly and with larger flames 烧得更旺;火势加大
burn somebody up
burn something up
to get rid of or destroy something by burning 焚毁;烧掉 to use calories or energy by doing exercise (通过锻炼)消耗热能