苦心孤詣 Save Sign in to save words Simplified: 苦心孤诣 kǔxīngūyì ㄎㄨˇ ㄒㄧㄣ ㄍㄨ ㄧˋ to make painstaking efforts (idiom) after much trouble to work hard at sth Character by character 苦(kǔ)bitter 心(xīn)heart 孤(gū)lone 詣(yì)go A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0