HomeDictionary劳心苦思劳心苦思Wordto rack one's brainsTraditional勞心苦思Copy wordláo xīn kǔ sīlao2xin1ku3si1Hear itMeaningto rack one's brains CC-CEDICTto think hard CC-CEDICTCharacters in 劳心苦思劳láo心xīn苦kǔ思sī