31.a bundle: a lot of money.

A: "Your new car is really nice."

B: "It should be. It cost me a bundle!"

32.burn the midnight oil: study/work all night or until very, very late at night.

"I'm not ready for the test tomorrow. I guess I'll have to

burn the the midnight oil."

33.bushed: very tired; exhausted.

"I'm going to lie down for a while. I'm really bushed."

34.by on-eself: alone and without help.

"I can't do this by myself. Can you help me?"

35.by the skin of on-e's teeth: barely succeed in doing something.

"I'll have to start earlier the next time. This time I on-ly finished by the skin of my teeth."

36.call it a day: stop work for the day.

"It's late and you've accomplished a lot. Why don't you call it a day?"

37.can't make heads or tails of something: can't understand something at all;

find something confusing and illogical.

"I can't make heads or tails of your e-mail. Were you having problems

with your computer?"

38.catch on-e's eye: attract on-e's attention/interest.

"This brochure about Tahiti caught my eye when I was at the travel agency."

39.catch some Zs: sleep for a while; take a nap.

"You look tired, Dave. Why don't you catch some Zs?"

40.change on-e's mind: decide to do something different from what had been decided earlier.

A: "Why are you working this week? I thought you were going to be on vacation."

B: "I changed my mind. I'm taking my vacation next month."

41.chicken (adjective or noun): cowardly.

"Fred will never ask Lucy for a date. He's chicken / a chicken.

42.chow: food.

"How's the chow in the university cafeteria?"

43.chow down: eat.

"It's almost 6:00. Are you ready to chow down?"

44.a cinch: something that's very easy to do.

A: How was the test?

B: It was a cinch. I finished it quickly and I know that all my answers were correct."

45.cool (also kewl): neat, special, wonderful.

"The ESL Cafe on the Web is really cool!"

46.Cool it!: calm down.

"There's no need to be so upset. Just cool it!"

47.cost (someone) an arm and a leg: cost a lot; be very expensive.

A: "Your new car is really nice."

B: "It should be. It cost (me) an arm and a leg!"

48.couch potato: someone who spends too much time watching TV.

"You're a real couch potato, Jay. You need to get more exercise!"

49.cram: try to learn as much as possible in a very short time.

"Sidney did well on the test because he crammed for it. However, he probably

won't remember any of the information a couple of days from now."

50.crash course: short course designed to give a lot of knowledge/information in a very short time.

"Tom's company is sending him to a business meeting in Istanbul.

Should he take a crash course in Turkish?"