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