Read Edit View history 私底下 sīdǐxia privately Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 私底下 · sīdǐxia · privately 2026/03/04 私底下 sīdǐxia privately in private, secretly, or confidentially; away from public view 有什么问题，我们最好还是私底下谈。 adverb created sense Mar 4, 2026, 02:25 AM