Completely focused on something without being bothered by anything else.
She was undistracted, finishing her report in record time.
彼女は心を逸らさず、記録的な時間で報告書を完成させました。
Paying attention only to one thing, not bothered by other things.
He worked undistracted, ignoring the noise outside.
彼は心を逸らさずに働いて、外の騒音を無視していました。