Correct

费解

/ fèijiě /
Strokes

Definition

to be puzzled/hard to understand/unintelligible/incomprehensible

Example

As an Adjective

hard to understand; incomprehensible; unintelligible

1
Zhè
lùn
理论
ràng
bān
一般
rén
gǎn
fèijiě
费解
  

The theory is beyond the grasp of ordinary people.

2
de
huà
hěn
ràng
rén
fèijiě
费解
  

His words are truly puzzling.