HSK 5 · verb · adjective · Practice
深入
to go deep into; thorough; in-depth
我们要深入地了解学生的需要。
Wǒmen yào shēnrù de liǎojiě xuéshēng de xūyào.
We should understand students' needs thoroughly.
这首歌很感人，早已深入人心。
Zhè shǒu gē hěn gǎnrén， zǎoyǐ shēnrù-rénxīn。
This song is very moving and has long taken root in people's hearts.