铁树开花 Save Sign in to save words Traditional (Taiwan): 鐵樹開花 tiěshùkāihuā ㄊㄧㄝˇ ㄕㄨˋ ㄎㄞ ㄏㄨㄚ lit. the iron tree blooms (idiom) a highly improbable or extremely rare occurrence Character by character 铁(tiě)surname Tie 树(shù)tree 开(kāi)open 花(huā)surname Hua A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0