When to use to connect in Korean
Korean: 연결하다[ yeon-gyeol-ha-da ]

When to use it
The word "연결하다" means to connect or join things together. You can use it for physical things, like a phone and a charger, or for places and people, like a bus route or a phone call. In daily life, it often means making two things work together or making a link between them.
Example sentences
집에서 텔레비전을 인터넷에 연결했어요.
At home, I connected the TV to the internet.
선생님이 컴퓨터를 프로젝터에 연결해요.
The teacher connects the computer to the projector.
이 다리는 두 마을을 연결해요.
This bridge connects two villages.
저를 김 선생님과 연결해 주세요.
Please connect me to Mr. Kim.
가게에서 이어폰을 휴대폰에 연결해 봤어요.
I tried connecting the earphones to the phone at the store.
이 버스는 공항과 호텔을 연결해요.
This bus connects the airport and the hotel.