Correct

发酸

/ fà suān /
Strokes

Example

As a Verb

go/turn sour; taste sour

1
Miànbāo
面包
yǒudiǎnr  
有点儿
suān
发酸
  

The bread tastes a bit sour.

2
Niúnǎi
牛奶
suān
发酸
le
  

The milk's gone sour.

As a Verb

feel a tingle in one's eyes/nose; sting

3
tīngdào
听到
xìng
不幸
de
xiāoxi
消息
  
,
jiù
zi
鼻子
suān
发酸
  

I felt a tingle in my nose at the sad news.

4
Yān
shǐ
使
de
yǎnjing
眼睛
suān
发酸
  

The smoke stung/irritated/smarted my eyes. / My eyes were smarting with the smoke.

As a Verb

ache

5
lèi
de
húnshēn
浑身
suān
发酸
  

I am aching all over with fatigue.

6
Máng
le
tiān
  
,
de
liǎng
tuǐ
yǒudiǎnr  
有点儿
suān
发酸
  

After a heavy day, I've got a bit of an ache in my legs.