Augean task Chinese puzzle Herculean task backbreaker baffling problem ballbuster bitch brain twister chore crossword puzzle crux dead lift enigma enigmatic question floorer handful hard job hard pull heavy sledding jigsaw puzzle knot knotty point large order man-sized job mind-boggler mystery nut to crack perplexed question perplexity poser problem puzzle puzzlement puzzler question question mark rough go sixty-four dollar question sticker stumper tall order tough job uphill work vexed question why