问号 Traditional form: 問號 Pinyin (reading): wènhào Definitions: question mark (punct.) unknown factor unsolved problem interrogation Characters: 问 - to ask about, to inquire after 号 - mark, sign; symbol; number; to call, to cry, to roar Traditional characters: 問 - to ask about, to inquire after 號 - mark, sign; symbol; number; to call, to cry, to roar