qualify的短语搭配
qualify常用短语和固定搭配：be qualified for (doing) sth
1. vt. 使合格：
HIs training qualifies him as a teacher of English.
【qualify的短语搭配】2. vt. 使有资格：
Two years of experience qualified him for a promotion.
3. vi. 取得....资格：
He qualified as a doctor a couple of years back.
