“burn up”是一个多义的英语短语,核心围绕“燃烧”的引申义,具体含义和用法可分为以下几类:
强调完全燃烧或让火焰更猛烈,可作及物或不及物动词。
及物(+宾语):表示“烧毁/烧尽某物”。
例:The wildfire burned up thousands of acres of forest.(野火烧毁了数千英亩的森林。)
Don’t throw plastic into the fire—it’ll burn up and release toxic fumes.(别把塑料扔火里,会烧起来释放有毒气体。)
不及物:表示“火焰变旺”。
例:Add some dry leaves to make the campfire burn up.(加些干树叶让篝火烧得更旺。)
强调通过燃烧或活动耗尽资源,常见于描述机器、人体的能量消耗。
及物(+宾语):
例:This old car burns up gasoline really quickly.(这辆旧车特别费油。)
Running for an hour burns up about 600 calories.(跑一小时消耗约600卡路里。)
不及物:
例:The new engine is more efficient—it doesn’t burn up as fast.(新发动机更高效,不会很快耗光燃料。)
口语中常用,强调情绪像“燃烧”一样爆发,可作及物或不及物动词。
不及物(主语是人):表示“某人发怒”。
例:He burned up when he found out his phone was stolen.(他发现手机被偷时勃然大怒。)
及物(+宾语,通常是人):表示“使某人大怒”。
例:Her lies really burned me up.(她的谎言真让我火大。)
常见搭配:burn up with anger(怒火中烧,更正式)。
例:She was burning up with anger at his rudeness.(她对他的无礼怒火中烧。)
burn down:强调“(建筑物等)被烧毁并倒塌”,如:The factory burned down last night.(工厂昨晚被烧毁了。)
burn up:更侧重“完全烧尽”或“烧旺”,不强调“倒塌”。
含义 | 用法示例 |
---|---|
烧毁/烧尽某物 | The fire burned up all my old photos. |
使火焰更旺 | Add wood to make the fire burn up. |
消耗(燃料/卡路里) | This bike burns up less energy than running. |
使某人大怒 | Your laziness really burns me up! |
某人发怒 | I burned up when they canceled the party. |
通过以上场景和例子,“burn up”的用法就比较清晰啦~ 日常对话中遇到时,结合上下文就能快速判断意思!