hitting the books什么意思

hitting the books 啥意思? Hitting the books 用英语怎么翻译 hitting the hitting the glass ceiling是什么意思 big books 什么意思? Are there any books in the bookcase什么意思 运动场上的hitting the wall是什么意思 his left leg keep hitting the new books and copy books什么意思 She fell,hitting his head against the ground用hitting做伴随状语对吗还 dirty english books 什么意思 hitting the nail in the head应该如何翻译?