해도 될까요?
Jen: Okay. Would it be okay if you do like red green red, or green red green?

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

후각 기술
Would you buy a car that released calming smells into the air when you are stuck in heavy traffic? Would you buy a robot that smells like a human being?

지구
The world celebrates Earth Day every year on April 22. It is a day to think seriously about how our lifestyles and daily habits affect the earth.

문법 테이블
The New York City train system has a new unofficial stop -- for people who love grammar…or even just have questions about it.

일식
There is one natural event that many people want to experience during their lifetime -- an eclipse!

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.

문신 지우기
It is estimated that 30 percent of Americans have one or more tattoos -- permanent words or pictures on their skin.

연락 드리려면 어떻게 하면 될까요?
It has really been a pleasure meeting you, Mary. It was very nice meeting you, too, Tom. Let’s keep in touch.

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

연모하다
February 14 is Valentine’s Day in the United States! For many people, it is a romantic day.

도미노
Lily Hevesh is known as Hevesh5 on YouTube. She is an expert at making domino art. Dominoes are plastic rectangles used in a game that is popular around the world.

곤충
Insects -- or bugs as we generally call them -- are of course necessary in the natural environment.

무인자동차 기술
Almost every day, we hear about a new development in the world of driverless technology. But how will this technology change our lives when cars no longer need humans to drive them?

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.

바빠서 꼼짝 못 해
Hey, I’m afraid I can’t meet with you tomorrow for lunch. I’ll be tied up all afternoon. Oh really? That’s fine. We can reschedule it to another day when you’re not tied up.

발가락
Speaking of toes, let’s talk about them for a minute. Like the rest of our feet, they spend all day stuck inside socks and shoes.

간단히 먹다
Claudia: Do you want to grab a bite? Howard: Sounds good.

다음으로 연기해도 될까요?
Jen: Well, this time you are forgiven. Mike: Can I get a rain check for next time though?

우연의 일치
Every so often, the Washington Post newspaper gives its readers a chance to tell personal stories. A recent one had to do with a coincidence--an unexpected convergence between two events or people.