苦心积虑 kǔxīnjīlǜ to take great pains Origin Definitions Defs Strokes Stroke Words Sentences Sents 苦心 kǔxīn troubled heart painful or deliberate state of mind; laborious intent积 積 jī verb to accumulate to amass; to store up; to gather over time虑 慮 lǜ verb to consider (bound form) to think over; to ponder; to plan or deliberate