1、burn down意为“烧毁”,如:
(1)The school building was burned down in that big fire.
在那场大火中,学校大楼被烧毁。
(2)The whole village was burned down by the enemy.
整个村庄都被敌人烧毁了。
2、burn down还有“火势减弱”之意。如:
The fire has burned down to a spark.
火已减弱,仅剩一点火星。
3、burn up“烧毁”“烧掉”之意,如:
(1)Let’s burn up all this waste paper.
咱们把这些废纸都烧掉吧。
(2)The fire burned up more than $ 500,000 worth of antiques.
这场火烧掉了价值50多万美元的古董。
4、burn up“烧旺”“烧起来”之意,如:
Please put some wood on the fire and make it burn up.
请在火上加些木料使它烧旺
5、burn up“用光体力”解释,如:
His work burned him up.
他的工作使他精疲力尽。