hit the books K 书

Hello, 各位亲爱的朋友大家好，今天和大家分享的是：

hit the books K 书

A: Well, I guess it's time to hit the books.

B: I'll call you when dinner is ready.

(A: 好了，我想现在该是念书的时候了。)

(B: 晚餐准备好时我会叫你。)