일주일에 한두 번
Jen: Hi Rebecca, I’m walking with you…I’m power walking with you. Do you power walk and jog around the National Mall often?

개도 꿈을 꾸는가?
Studies show that dogs and human beings have similar brain activity when they sleep. Researchers use a test called an electroencephalogram to study such activity.

훈련이 완벽을 만든다
Wow! Look at that soccer player. He is making all the goals. Do you know how a player like him gets to be so good? By practicing every day. Practice, practice, practice! Practice makes perfect.

백문이 불여일견
I heard that Thomas is your new roommate. Yes he is. He’s an awesome roommate so far. He is very clean and organized.

유레카!
“Eureka” is a kind of interjection. Interjections are the quick, short words or sounds we cry out when we are feeling intense emotion. They can express pain, surprise, anger or joy. These kinds of words also are called exclamations.

백악관 야채밭
The vegetables and fruit will help provide meals for the Obama family, White House workers and guests. The produce will also go to a nearby center that provides food for homeless people.

농장
Today, we are down on the farm! Since the 16th century, the word "farm" has meant "land used for agricultural purposes." But a much older meaning is related to economics.

불다
Sometimes the word means to push air out of your mouth, like when a child blows bubbles or when you blow out the candles on your birthday cake.

눈을 부릅뜨고 지켜볼게
I am looking for some new clothes for work. I need some coats and ties, but I don’t have much money to spend.

앙코르 와트 유적지
The travel website TripAdvisor has named Cambodia’s ancient Angkor Wat as the top landmark in the world.

파산하다
Emily: How expensive? Cindy: Very expensive way too much for me. I can’t afford it and I don’t want to break the bank.

손바닥도 마주쳐야 소리가 난다
The tango is a South American dance that is passionate and emotionally intense between two people.

인간의 수명
A new study suggests that there may be a limit to how long people can live. American researchers found that the longest a human being can live is about 115 years.

잘돼 가고 있어
Long time no see! How is everything? Everything’s coming up roses this year. I opened up my own business and it’s doing so well! Plus my husband and I are expecting our first child!

빈지 드링킹
The National Institute on Drug Abuse says forty-two percent of young adults in America have taken part in what is known as binge drinking. The experts define that as drinking four to five drinks within about two hours.

커피의 좋은 점
Scientists are finding that coffee does more than help you stay awake. Researchers in the American state of Pennsylvania say coffee has high levels of antioxidants.

신경에 거슬리다
Matthew: It really irritates me when a person’s cell phone goes off during a movie. Sonia: Yeah, me too! It really gets on my nerves!

몹시 수줍음이 많은 사람
The name Violet is found in an English expression. A shrinking violet describes someone who is very shy.

보트 만들기
The art of building small wooden boats is being used to help young, at-risk adults in the United States.

파우와우
I want to study the modern powwow. 나는 현대, powwow에 대해 공부하고 싶습니다. I’ve never been to a powwow. 나는 powwow 행사에 한번도 가 본 적이 없습니다. What is powwow? Powwow가 뭔가요?