암벽 등반
An estimated nine million people rock climb in the United States. Millions more take part in the activity around the world. Some do it just for personal satisfaction. Others compete. Rock climbing can be dangerous.

현금으로 지불하시겠어요?
Was everything OK? It was fine. The total was $18.60. That much?! Just kidding. I could tell. Do you want to pay in cash or credit card?

극히 드물게
April: He lives all the way in Minnesota, so I never get to see him. I only get to see him once in a blue moon.

지레짐작하지 마!
I haven’t talked to Erica for about 3 weeks. So that means you’re not dating Erica anymore.

길가의 명소
Road trips have been popular with Americans for almost as long as their love of cars. But when gasoline prices are high, people abandon the highway.

선
Today, we will talk about the word “line.” Line is a simple, four-letter word, but it has many meanings, making a simple word complex.

호박등
You can find jack-o'-lanterns on the front steps of countless American homes on October 31, Halloween night.

흔해 빠진
Mary: Why not? I really need it. John: The store down the street has them at a dime a dozen! Come on, I’ll show you.

당나귀 공원
In many places around the world, donkeys are used for carrying heavy loads. But at Donkey Park, the animals’ only job is to offer comfort to visitors.

사공이 많으면
In many places, the kitchen is the heart of the home. It is where we start our day with a cup of coffee or tea.

한국 나이
Based on an unusual system for calculating ages, South Korea’s babies become 1 on the day of their birth. They become an additional year older on January 1st.

비난을 받다
There are so many expressions in American English that sound pleasant but are not. “Face the music” is a good example. When someone says they have to “face the music,” it does not mean they are going to a musical performance or concert.

늘어나는 독신 여성
Married couples no longer make up the majority of households in America. For the first time in the history of the United States, except during periods of war, more women are living independently.

지구 내부 지도
Scientists in Australia want to build what they describe as a “downward looking telescope” to look for mineral wealth under the Earth’s surface.

다 같은 입장에 처해 있다
Young: Wow! So no school until they say so huh? Yujin: Yeah, you’re right. No one’s going back yet. We’re all in the same boat!

두루미
Every year in the middle of March, one of the world's greatest wildlife migrations stops in central Nebraska.

인도 원숭이
Hundreds of macaque monkeys have been stealing food and wireless phones near parliament. They are also breaking into homes and frightening civil servants and the public.

바보
In the United States April 1 is a day when you need to be a little careful. Why? It is April Fool’s Day so someone might play a practical joke on you -- a harmless trick for fun.

가공 식품의 위험
Scientists have already linked low-cost, packaged foods to rising obesity rates around the world. Obesity is a condition involving too much body fat.

대학 논문 쓰기
Strong writing is one of the most important skills for any college student. Many non-native English speakers have no idea what professors in the U.S. expect from a college paper.