日记
Pinyin: rì jì
diary
Example sentence
她每天写日记。
Tā měitiān xiě rìjì.
She writes in her diary every day.
What 日记 means
日记 (rì jì) is a Chinese word meaning “diary”. It belongs to the Things topic and appears at HSK 4, so it is one of the words worth learning early when you study Chinese.