苦心孤诣 Traditional 苦心孤詣 kǔ xīn gū yì 🔊 to make painstaking efforts (idiom) + Keep this word Meanings kǔ xīn gū yì 苦心孤詣 to make painstaking efforts (idiom); after much troubleto work hard at sth Its characters 苦kǔbitterHSK 4心xīnheartHSK 4孤gūlone诣yìto go (to visit a superior)