Correct

酸疼

/ suānténg / 
Strokes

Definition

(of muscles) to ache/sore

Example

As a Verb

ache; be sore

1
Wǒ
我
liǎng
两
tuǐ
腿
suānténg
酸疼
  
。

My legs are really sore.

2
Zhōushēn
周身
suānténg
酸疼

have aches and pains all over