苦心孤诣 Save Sign in to save words Traditional (Taiwan): 苦心孤詣 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 诣(yì)go A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0