HSK 6
难点
nándiǎn名
difficulty
理解这个概念是学习难点。
Lǐ jiě zhè ge gài niàn shì xué xí nán diǎn.
Understanding this concept is a difficult part of the course.
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 6.