Correct

蛮劲

/ mán jìn / 
Strokes

Example

As a Noun

sheer muscle; sheer masculine strength

1
Zhège
这个
xiǎohuǒzi
小伙子
yǒu
有
gǔ
股
mánjìn
蛮劲
  
。

The young fellow has got sheer masculine strength.