과일나무 가지치기
Fruit trees require a lot of pruning -- the careful removal of dead, damaged or unproductive parts to make the tree grow better.

얼굴 인식
Some people claim they “never forget a face.” But what does that saying mean? Is there really no limit to the number of faces a person can remember?

비밀을 누설하다
"Spilling the beans" when you communicate with others is also a bad thing. When you spill the beans, you share or make public secret information.

세계 부동산에 투자하는 중국인들
Chinese buyers are increasing their search for real estate around the world, although government restrictions limit the movement of money out of China.

연락이 끊겼어
Hey do you know Emily’s contact information by any chance? Are you talking about Emily Johnson from college? Yes.

고양이와 사람
A new study has found that cats can connect with people in the same way as dogs and children.

자동차 색상
Many cars in advertisements, exhibits and at car dealerships in the United States are red, blue or green -- but almost 75 percent of new cars sold in the United States are black, white, silver or gray.

남을 몰래 관찰하는 사람
Flies perform an important job in nature. They break down a lot of organic materials. Plus, farmers can use their larvae as very cheap food sources for animals.

커피 주문하기
Good morning! Welcome to Happy Coffee house. How can I help you? 안녕하세요! Happy 커피 전문점입니다. 어떻게 도와드릴까요? I would like a decaf house coffee please. 디카페 커피 한잔 주세요.

데드라인
On the last Monday in May, people in the United States celebrate Memorial Day. This federal holiday honors members of the American military who died in war.

아기 이름짓기
American parents generally can choose any name they want for their children. They may choose a name because it honors a family member. Or they may choose a name just because they like it.

이중언어 사용자가 더 똑똑한가?
In the early nineteen fifties, researchers found that people scored lower on intelligence tests if they spoke more than one language. Research in the sixties found the opposite. Bilingual people scored higher than monolinguals, people who speak only one language. So which is it?

버섯 사냥
What used to be an outdoor activity for only extreme foodies is now becoming more and more popular in many parts of the United States.

단정해 보인다
Jen: No actually, just a casual Friday. Ashley: Well, you look very put together.

조폐
Guided tours of the Bureau of Engraving and Printing in Washington D.C. are a popular activity for visitors. These tours are a good way to learn new and interesting facts about the history of money and its complex production methods.

새 여권
The United States has begun providing new, electronic passports for its citizens. State Department officials say the new passports are designed to improve border security and travel.

일주일에 한두 번
Jen: Hi Rebecca, I’m walking with you…I’m power walking with you. Do you power walk and jog around the National Mall often?

마음을 졸이다
Hey, how did you do on your test? Did you pass? I think I did okay. But I won’t find out the results until next week.

소포 보내기
What is the fastest yet safest way to send this package? 이 소포를 가장 빠르고 안전하게 보내는 방법이 뭔가요?

향신료
People have used herbs and spices in food for thousands of years. Some of these substances are valued for their sharp taste. Others are chosen for their smell.