대성공적으로
Hey, how did you do on your test? I was really worried about how I would do, but in the end I passed it with flying colors!

당신이 잠든 동안
Why do we need sleep? Is bedtime just a time for dreaming? Do our brains turn off for the night? What if I told you that scientists recently discovered that our brains may be just as busy at night as they are during the day?

공항 보안 검색대
There we go again, the security checkpoint! Do I need to take off my jacket? Yes, you do, ma’am. And take off your shoes and put them in a bin.

장난치다
A: This week has been crazy. It just... our camera girl has been monkeying around like every day, we don’t get anything done.

겨우 먹고 살 만큼 벌다
A: Pretty busy, I have been working the second job just to try to make ends meet.

뒤쳐지지 않다
Man! Technology changes so fast, it’s hard to keep up with it. Don’t you think so? Yeah. I agree. It is hard to keep up with it.

기운 내
Mira: You'll have a better day tomorrow. Just keep your chin up.

영작을 위한 개념도
English learners face a common problem: their writing often lacks clarity and cohesion. That is according to Babi Kruchin and Alan Kennedy who teach at the American Language Program at Columbia University.

출입제한 주거구역
The fastest-growing type of housing in America is the "gated community." It's a typical cluster of attractive suburban homes along streets with cheery names like "Butterfly Lane."

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.

건강
Today we talk about expressions that remind us to be healthy and have a healthy lifestyle.

푸른 꽃게
What have ten legs, two of them large claws, a hard shell cover, and live in oceans, fresh water, and on land? Crabs, of course!

머리글자
Americans often try to say things as quickly as possible. So, for some expressions, we use the first letters of the words instead of saying each word.

배은망덕하다
Personal or working relationships can be damaged if you shout at other people or get angry with someone.

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

속어
Slang is a popular, less official and often very current form of language. It is an important part of a living language and is constantly changing as language changes.

잔디깍기
It wasn't so long ago, when someone was mowing the lawn with an old-style push mower, that you'd hear comments like, "I didn't know they still MADE those things."

마음대로 해
Hey, do you mind if I borrow your car to pick up Katie from the airport? Sure, go ahead. Knock yourself out.

무인자동차
The high-tech company Google has a fleet of self-driving cars. By August, they had logged 480,000 kilometers. Major auto manufacturers in the United States and Europe are also working on the technology for autonomous vehicles.

나 아주 지첬어
I think you have to get some rest. You look extremely tired. I’m beat! It’s because I worked a 12-hour shift for the past three days.