二に十じゅうの扉とびらMeanings1nountwenty questions (game)A guessing game where one player thinks of something and the others ask up to twenty yes/no questions to identify it. The Japanese name literally means 'twenty doors'.子こ供どもたちは二に十じゅうの扉とびらで遊あそんでいた。The children were playing twenty questions.