이래라저래라 했다고?
Growing up, my younger sister used to boss me around. What? Your younger sister used to boss you around? But she is younger than you.

로봇
Fifty years ago, the United States became the first country to produce industrial robots. Today, these mechanical marvels have marched into many other areas of our lives.

감을 잡다
Oh man, this computer software is a little complicated to use. I know, it was the same for me too, but don’t worry.

아마존 동물과 셀프카메라
Visitors to the Amazon rain forest in South America face different rules for how they can interact with wild animals.

전기차 소리
Electric vehicles are also known for not producing another kind of pollution -- noise. They run on batteries instead of fuel, and can operate in silence.

뇌도 운동이 필요해
Immediately after training, individuals who were trained on memory or individuals who were trained on reasoning or speed showed significantly higher performance than those who received no training.

가상 현실
The word "Khora" comes from the Greek philosopher Plato who used it to describe a place somewhere between real and non-real. And it's exactly what Khora offers.

꼬불꼬불한 롬바드 거리
Visitors may soon have to pay as much as $10 to drive down the world-famous Lombard Street in San Francisco, California.

미안하다는 말
Did you ever have to say “no” to somebody? Such as a classmate who asks to go to lunch with you, or a roommate who asks if you would like to continue living together in the future?

직장내 편견
Most U.S. companies act swiftly and forcefully to root out discrimination based on race, sex, age, or appearance when they discover it. And there are good reasons to do so.

배가 너무 불러
Hey! It’s time for dessert. What should we get? Oh man! I’m really stuffed! I don’t have any room for dessert.

여가시간 부족
A new report says the average number of hours spent at work seems to be shrinking in most developing countries. But as more and more businesses stay open around the clock, a growing number of Americans are working longer hours.

귀찮은 일이야
Jen: George, it seems like you have a big list of ‘Back to School’ items for your kids. George: This is my first year doing it. My wife usually does it so yes…it is a hassle for me.

결국 ~하게 되다
Jen: I was just telling her, your deals are wonderful but I end up spending a little bit too much money.

도시 생활의 영향
Are people happier in nature with blue skies overhead and fresh green grass underfoot? Could noisy streets, crowded with cars and people, make us unhappy?

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.

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.

함부로 대하다
Man! My boss is walking all over me and I’m really offended. You should definitely say something to him -- don’t let your boss walk all over you.

지하수
The Earth is losing some of its major freshwater supplies. But these water resources are not lakes or rivers. They are called “aquifers.” They formed deep underground as the Earth developed.

웃음이 최고의 명약
Laughing is one of life’s most simple pleasures. It is free. You can do it anywhere. And it makes you feel good!