noun · written records or notes made for study or reference

我想借一下你的课堂笔记。

noun · a type of traditional Chinese literature consisting mainly of short sketches or anecdotes

他业余时间喜欢翻阅清代的笔记小说，了解当时的民俗。

verb · to take down or record information in writing

他把会议的重点笔记在手册上。