Meaning of bǐ jì:
笔记
to take down (in writing)
Shàng kè shí, wǒ xǐhuān yòng bǐ hé zhǐ lái jì xià zhòngyào de bǐjì.
上课时,我喜欢用笔和纸来记下重要的笔记。
During class, I like to use pen and paper to take down important notes.
notes; a type of literature consisting mainly of short sketches; CL:本[ben3]
Wǒ měi tiān dōu zài kè táng shàng zuò bǐ jì.
我每天都在课堂上做笔记。
I take notes in class every day.
Tā de zuìxīn zuòpǐn shì yī běn wénxué bǐjì.
他的最新作品是一本文学笔记。
His latest work is a literary notebook.
Wǒ zài shàngkè shí zuòle hěnduō zhòngyào de bǐjì.
我在上课时做了很多重要的笔记。
I took a lot of important notes during the class.