scrape off

1. 刮去

She scraped the mud off.

她把泥刮掉了。

scrape through

1. 勉强通过

The boy just scraped through his exams.

这孩子勉强通过了考试。

scrape up

1. 艰难地积蓄

He scraped up the money to start a restaurant.

他好不容易才攒足了开一家饭馆的钱。