He took a peep at the back of the book to find out the answers to the questions.
He took a peep at the back of the book to find out the answers to the questions.
他偷偷看了一下书的后面，想找出那些问题的答案。
He took a peep at the back of the book to find out the answers to the questions.
他偷偷看了一下书的后面，想找出那些问题的答案。