労ろうせずしてMeanings1expression, adverbwithout effort; easilyFixed adverbial expression meaning something is achieved without hard work or difficulty. Often used in formal or written contexts.彼かれは労ろうせずして成せい功こうを収おさめた。He achieved success without effort.労ろうせずして問もん題だいを解かい決けつする方ほう法ほうはないだろうか。Isn't there a way to solve the problem without effort?