미국 할아버지와 2년째 이메일교환중인데 저에게 이런메일을 보내주었네요. 몇개는 알겠고, 몇개는 단어는 모두하는데 숨은 뜻을 모르겠네요. 여러분께 도움 요청합니다.  여러분도 한번 테스트해보세요. ============= 21. When a clock is hungry, it goes back four seconds. 22. The man who fell into an upholstery machine is fully recovered. 23. You feel stuck with your debt if you can't budge it. 24. Local Area Network in Australia: the LAN down under. 25. Every calendar's days are numbered. 26. A lot of money is tainted - It taint yours and it taint mine. 27. A boiled egg in the morning is hard to beat. 28. A midget fortune-teller who escapes from prison is a small medium at large. 29. Those who get too big for their britches will be exposed in the end. 30. Once you've seen one shopping centre, you've seen a mall. 31. Bakers trade bread recipes on a knead-to-know basis. 32. Santa's helpers are subordinate clauses. 33. Acupuncture is a jab well done.