Correct

利钝

/ lì dùn /
Strokes

Example

As an Adjective

(of a weapon, tool, etc) sharp or blunt

1
Dāojiàn
刀剑
yǒu
有利
dùn
  

There are sharp as well as blunt weapons.

As an Adjective

smooth or rough

As an Adjective

(of luck) good or ill

As an Adjective

clever or dull