HSK C7-9
Correct

/ diān /
Strokes

Definition

top (of the head)/apex/to fall forwards/inverted/to jolt

Example

As a Noun
crown (of the head)
1
Huádiān
华颠

grey-haired (on the crown)

As a Noun
top; summit (of sth high)
2
diān
塔颠

top of a pagoda

3
Shāndiān
山颠

mountain top