This is the 8th most frequent Korean word.
대한
"대한" means "Great Han" and is often associated with Korea, symbolizing patriotism or referring to the Korean nation.
In this sentence, '대한' is used as part of the official name of South Korea, '대한민국' (Daehan Minguk), which directly translates to 'The Great Han Nation.' It signifies the national identity.
대한민국은 아름다운 나라입니다.
South Korea is a beautiful country.
Here, '대한' means 'about' or 'regarding,' linking '환경 보호' (environmental protection) to the interest the speaker has.
나는 환경 보호에 대한 관심이 많습니다.
I have a lot of interest in protecting the environment.
'대한' in this instance means 'for' or 'towards,' indicating the direction of the love towards the country.