困难在于 Save Sign in to save words Traditional (Taiwan): 困難在於 kùnnanzàiyú ㄎㄨㄣˋ ˙ㄋㄢ ㄗㄞˋ ㄩˊ the problem is... Character by character 困(kùn)trap 难(nan) 在(zài)exist 于(yú)surname Yu A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0