Correct
空心
/ kōngxīn /
Strokes
Definition
hollow/empty headed/mindless
Example
As a Verb
(of trees, vegetables, etc) become hollow inside
1
Nā
那
kē
棵
shù
树
kōngxīn
空心
le
了
。
The tree has become hollow inside.
As an Adjective
(of an object) hollow inside
2
Kōngxīn
空心
Guǎnzǐ
管子
hollow pipe