expression, i-adjective
not care; not mind; unconcerned
Expresses a lack of concern or indifference toward something. Often used in the negative form 気にしない (don't care) or 気にもしない (don't even care).
See also: 気にする
彼は人の目なんて気にもしない。
He doesn't care at all about what others think.
失敗を気にもしないで、また挑戦しよう。
Don't worry about the failure; let's try again.