疑难杂症 Traditional 疑難雜症 yí nán zá zhèng 🔊 dubious or hard-to-treat cases (medicine) + Keep this word Meanings yí nán zá zhèng 疑難雜症 dubious or hard-to-treat cases (medicine)hard cases Its characters 疑yíto doubt; to suspect难nándifficult (to...)HSK 3杂zámixedHSK 6症zhèngdisease