a question that is difficult to understand, and that has a surprising answer, that you ask somebody as a game 謎；謎語 Stop talking in riddles (= saying things that are confusing)—say what you mean. 别拐彎抹角了，有話直說。 Bilbo solves the riddle that unlocks the door to the mountain. 比爾博解開了打開山門的謎語。
a mysterious event or situation that you cannot explain 神秘事件；無法解釋的情況 the riddle of how the baby died 嬰兒死亡之謎 The riddle of his identity was only solved when his brother saw him on TV. 只有當他哥哥在電視上看到他時，他的身份之謎才被解開。
Word Originnoun Old English rǣdels, rǣdelse ‘opinion, conjecture, riddle’; related to Dutch raadsel, German Rätsel, also to read.