Correct

发涩

/ fà sè /
Strokes

Example

As an Adjective

hard-going

1
Zhóu
  
,
gāi
shàng
yóu
le
  

The axle doesn't work smoothly and needs oiling.

As an Adjective

(of taste) rough; harsh; bitter

2
Zhè
shìzi
柿子
yǒudiǎnr  
有点儿
  

The persimmon tastes a bit puckery.

As a Verb

ache

3
Yǎnjing
眼睛

have a (dull) ache in the eyes