腕力 (wanryoku) Japanese meaning: physical strength | KotomoraHe is confident in his physical strength.
You shouldn't try to solve problems with brute force alone.
Usage patterns
腕力があるto have (great) physical strength
He has strong arms, so he can carry heavy loads by himself.
腕力に訴えるto resort to brute force
The talks failed to settle things, so he ended up resorting to force.
腕力を振るうto use physical force/violence
After the argument, he used brute force to silence his opponent.
腕力で〈相手〉をねじ伏せるto overpower someone through physical force
He won by overpowering his opponent with sheer strength.