Meaning of jì zhu:
jì zhu
记住
Verb
to remember; to bear in mind; to learn by heart
Nǐ yīdìng yào jìzhù zhège zhòngyào de rìzi.
你一定要记住这个重要的日子。
You must remember this important day.
Qǐng yídìng yào jìzhù wǒ de huà.
请一定要记住我的话。
Please make sure to bear my words in mind.
Qǐng nǐ jì zhù zhège diànhuà hàomǎ.
请你记住这个电话号码。
Please memorize this phone number.