put a mark

• 做记号

put a mark的用法和样例：

例句

1. Please don't turn back the corner of the page to mark your place.
   请不要在书页上折角做记号。
2. You cannot leave it carelessly, you cannot mark it, you cannot turn down the pages, and you cannot use it familiarly.
   你不能漫不经心地随手乱放，你不能在书里做记号，你不能折书页，你不能随便使用它。