연필 한 자루
One pencil.
자루 is the counter for pencils but it’s not used very often since most counters can be replaced with 개
연필 한 개
One pencil.
대
Counter for cars, machinery
Can’t be replaced with 개
명
Counter for people
Can’t be replaced with 개
개
Counter for “things”
It can replace most counters
병
Counters for bottles
마리
Counter for animals
권
Counter for books
장
Counter for papers, pages, tickets
아줌마 김치찌개 한게 주세요.
Ajumma (ma’am), please give me one kimchi stew.
찌개
Stew
콜라 한 병 주세요.
Please give me a cola.
의자
Chair