HSK 5
本质
běnzhì名
essence; nature; innate character; intrinsic quality
问题的本质并不复杂。
Wèn tí de běn zhì bìng bú fù zá.
The nature of the problem is not complicated.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 5.