a type of question that describes something in a difficult and confusing way and has a clever or funny answer, often asked as a game

something that is confusing, or a problem that is difficult to solve

Scientists may have solved the riddle of Saturn's rings. 科学家们或许已经揭开了土星环的奥秘。

talk/speak in riddlesidiom 说话令人莫名其妙，说话像打哑谜

to make a lot of holes in something

The anti-aircraft guns riddled the plane's wings with bullets. 高射炮炮弹把机翼打得千疮百孔。