一生けんめいいっしょうけんめいCommonVariants一生けんめいいっしょうけんめい一生けん命いっしょうけんめい一生懸命いっしょうけんめいMeaningsvery hard; with utmost effort; as hard as one can; with all one's might; for dear life; eagerly; desperatelyKanji used一one生birth