blow off [bləu ɔf]

以下由轻松背单词网站提供

吹掉，将（热水等）放出，（在竞争中）超越，搞砸

After the train got to the station, the engine began to blow off.火车进站后，火车头开始放气。
I'm afraid that the wind might blow off the roof.我怕风可能会吹走屋顶。