When to use switch in Korean
Korean: 전환[ jeon-hwan ]

When to use it
전환 means a switch or change from one thing, state, or mode to another. You can use it when something changes, like a light mode, a language, or a payment method. In daily life, it often means moving from A to B in a simple, practical way.
Example sentences
집에서 조명을 절전 모드로 전환했어요.
At home, I switched the lights to power-saving mode.
수업 전에 휴대폰을 무음으로 전환했어요.
Before class, I switched my phone to silent mode.
날이 추워서 모임 장소를 공원에서 카페로 전환했어요.
Because it was cold, we changed the meeting place from the park to a cafe.
대화 중에 영어에서 한국어로 전환했어요.
During the conversation, we switched from English to Korean.
계산할 때 현금에서 카드로 전환했어요.
At payment, I switched from cash to card.
여행 계획을 버스에서 기차로 전환했어요.
I changed the travel plan from the bus to the train.