This is the 43rd most frequent Korean word.
때문에
"Because of" or "due to."
Used to indicate the reason for the action of not going outside, linked to the cold weather condition as cause.
날씨가 추운 때문에 외출하지 않았어요.
I didn't go outside because the weather is cold.
Connects the clause 'I had to prepare for a test' to the subsequent action, showing causation between the two.
시험을 준비해야 하기 때문에 시간을 많이 썼어요.
I spent a lot of time because I had to prepare for a test.
Indicates the noun 'her health condition' as the reason for not being able to travel, showcasing its nominal perspective.