scrape through的用法和样例：
例句
- As he strides through the brightly-lit hallways, he can hear moans of pain, the whisper of shoes against tiles, the hum of magic at work.
他迈着大步走过那明亮的走廊，他听到疼痛的呻吟声，还有鞋子轻擦过地砖时的声音，还有魔法仪器工作时的嗡嗡声。 - The boy just scraped through his exams.
这孩子勉强通过了考试。 - He skinned through last examination.
他勉强通过了上次考试。
