puzzle[ˈpʌzl]

v.使困惑 n.难题，谜语，拼图
◇ puzzle out苦思而解
puzzle over苦想
‖ puzzle box迷箱，难题箱，问题箱
puzzle experience解决问题的实验
puzzle solving解谜
puzzling question疑难问题
puzzledom n. 困境，困惑
puzzlehead n.思想混乱的人
puzzleheadedness n. 思想混乱
puzzlement n.迷惑