もしない

Usage

Used to express 'not - at all' and frequently shows a feeling of speaker's discontent

食事もしないでゲームばかりしてると、病気になるよ You are going to fall sick if you keep playing those compute games without stopping for meals

できるかどうか、努力もしないで、最初から諦めるんですか? You are going to give up at the start without making an effort to see if you can do it?