力任 ちからまかせじゃありませんでした
chikaramakasejārimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of 力任せ

1. It wasn't by force.; It wasn't done with strength.; It wasn't done arbitrarily.

Past/Perfective
Negative
Polite
Terminal Form