Zhè kē shù yǐjīng zhāgēn hěn shēn le.
This tree has already taken deep root.
Tā juédìng zhāgēn nóngcūn.
He decided to settle down in the countryside.
Zhège guānniàn yǐjīng zài rénmen xīnzhōng zhāgēn le.
This idea has already taken root in people's minds.