Jim broke away from his friends,saying "I have got to hit the books.

问题描述:

Jim broke away from his friends,saying "I have got to hit the books.
上面英语句子中的“got to hit 它是个词组吗

hit the books是“用功学习”和“准备功课”,have got to有“必须”和“不得不”的意思.
吉姆离开了他的朋友,说:“我必须用功学习/准备功课”.