평지풍파를 일으키다
You have probably seen a boat before. Watching one move through the water can be really fun.

가벼운 입
Hey, did you tell Brian that you’re dating someone? Yes I did. How did you know?

사랑니
Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties -- in other words, when they are older and wiser.

두번째 인생
Second Life is a three-dimensional, online world in which computer users can create a new self and live a different life. Second Life is one of the most popular new online games...

김칫국부터 마시지 말라
A female chicken or hen lays eggs and then they hatch into chicks. Well, not all of them. Some eggs do not have a baby bird.

연락을 취하다
Hey Jason, I tried to get in touch with you yesterday, but I couldn’t.

공부에 지장이 있을 텐데
What are you doing right now? I’m watching a movie and it’s so good! I can’t stop watching it.

낯선 곳에서 잠이 안 오는 이유
Have you ever had trouble sleeping in a new place? Lots of people do. And now researchers from Brown University in Rhode Island think they know why.

더 록
Alcatraz Island is in the harbor of San Francisco, California. It is best known for being a federal prison, which was also called “The Rock.” It was once the most famous prison in America.

얼음성 여관: 1부
Today, we are going to celebrate the coming of winter with expressions related to cold and ice. And we will do that with a story … a mystery story.

잠깐 있어봐
So let me tell you our business plan. Wait. Hold that thought! Let me use the restroom really quick.

자랑스러운 것
Our world is home to thousands of different kinds of birds. No two bird species are the same. Each one has its own unique qualities -- like its feathers!

올리브 오일
Extra-virgin olive oil is also a major part of the Mediterranean diet. And new research shows that it may protect the brain from losing its ability to work properly.

야시장
Night markets in Asia are places where people enjoy street food and social gatherings. "This is something we need." In Southern California, the 626 Night Market in Los Angeles reminds George Ge of a night market in Taiwan.

백신
The word “vaccine” can bring out emotions and discussions in ways it never did before the start of the pandemic.

내 머리로는 이해가 안 가
Hey, can you explain how you got the answer to that math problem? I don’t understand how you solved it? It went right over my head.

참회하다
In American English, guilt or sadness is often expressed by the symbol of ashes -- the gray matter left over from a fire.

기회를 놓치지 말라
When the sun shines brightly, it provides a great chance to get outdoor things done. Like making hay!

사막 위의 집
Every year as southern Arizona cooled, architect Frank Lloyd Wright and his students would travel there to escape the cold of winter in Wisconsin.

부유세
The idea of setting up a wealth tax to target the richest Americans has created a lot of debate in the United States.