必ひっ死しになってCommon wordMeanings1expressiondesperately; for dear lifeExpresses doing something with frantic, all-out effort, as if one's life depended on it. Often used with verbs of action, pleading, or escape.彼かれは必ひっ死しになって逃にげた。He ran away for dear life.必ひっ死しになって助たすけを求もとめた。I desperately called for help.