树洞 Save Sign in to save words Traditional (Taiwan): 樹洞 shùdòng ㄕㄨˋ ㄉㄨㄥˋ tree hollow anonymous platform for sharing secrets slang confidant slang Character by character 树(shù)tree 洞(dòng)cave Words that sound like shùdòng 速冻 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0