쯤, 정도, 약
About, approximately, and around
쯤, 정도 before a noun
약 after a noun
Example
1) Around 2 c'clock---->두 시쯤
2) Approximately one month----> 한 달쯤
3) About 4 km-----> 4 킬로미터쯤
4) I will be there in Korea approximately for one month--> (저는) 한국에 한 달쯤 있을 거예요
5) I lived in Italy for about 3 years--------> (저는) 이탈리아에서 3년쯤 살았어요
6) How about around five o’clock?--------> 다섯 시쯤(은/이) 어때요