puzzler
n. 使困惑的人；难题
近义词：puzzle，conundrum，mystery，riddle，brainteaser，challenge，teaser，mystifier，
英英释义
Noun
- a particularly baffling problem that is said to have a correct solution;
"he loved to solve chessmate puzzles" "that's a real puzzler"
例句
用作名词(n.)
- This puzzler plays like a simple logic game.这道难题象一个简单的逻辑游戏一样玩。