테크 넥
When we do the same movements with our bodies over and over again, we overuse some muscles. And that overuse can lead to strain and injury.

동절기 운동
In winter, people might lessen their outdoor exercise. The days get dark earlier, and it can be very cold! These conditions can make it harder for some of us to get outdoors for exercise.

깜빡 잊어버렸어
Hey, did you pick up a bottle of wine for Dylan’s housewarming party? Oops! I forgot! I meant to go right after work today but it totally slipped my mind. I’m so sorry.

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

시금석
Today we go back to school. We will talk about two terms from science class. Both are tests.

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.

스파
Spas are becoming more popular in the United States. A spa is a business where people go to improve their health and appearance by getting treatments, exercising or relaxing.

호되게 꾸짖다
Hey, Jason. How is your son doing in school? He’s not doing so well. He is always late to class and never turns in his homework.

요점을 이해하지 못하다
Kurt: I'm not sure. Can you explain it again? I think I missed the point.

겨울에 피는 꽃
In many colder northern countries, poinsettias are a sure sign that Christmas is near. Nearly all sales of this flowering plant come at wintertime.

절박한 상황이다
Mike: Sorry. I’m at the end of my rope. Studying for this exam is killing me.

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

영화 제작팀
He wants to know more about the many jobs listed in small print in the credits at the end of movies. Some of these jobs have funny names -- like boom operator.

치아를 재생시키는 약
A dentist usually treats a cavity by removing the damaged part of the tooth. Then they fill the hole with porcelain or a combination of silver and other metals.

에스컬레이터
A: Let's take the metro, Brian. B: All right, mom. A: These escalators are very long and steep. Let me hold your hand. By the way, you're not supposed to run or sit on the escalators. A: I know, mom.

번개는 같은 장소를 두 번 때리지는 않는다
Lightning is one of the most powerful forces in nature. Scientists describe lightning as a huge burst of electricity between clouds, the air, or the ground.

상황을 잘 파악하다
I’m gonna need help organizing all these packages coming in. If I don’t stay on top of it, I’m going to lose track of which packages came from who.

남자답게 행동하다
Jason, it’s time for you to man up and be responsible and lead the company. I know you have it in you.

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.

바가지를 쓰다
Things that cost a lot are expensive. We often do not mind paying a lot for high quality goods or services.