이자
ija
Grammar · 2 senses
both... and..., as well as
Examples
그는 나의 선생님이자 친구이다.
He is both my teacher and friend.
그녀는 배우이자 가수이다.
She is both an actress and a singer.
이 책은 교과서이자 참고서입니다.
This book is both a textbook and a reference book.
When you'd hear it
이자 is common in formal speech and writing, especially presentations, news, essays, and workplace language. In casual conversation, speakers more often use 하고 or 이고도 for similar meanings.
What learners get wrong
이자 attaches to nouns, as in 선생님이자 친구, whereas -고 can link verbs and adjectives as well. It also usually presents two roles or descriptions of the same person or thing, not two separate actions.
the first and the last
Examples
그 사람은 우리 나라의 처음이자 마지막 공주였어요.
That person was our country's first and last princess.
이 경기는 그의 처음이자 마지막 출전이었다.
This match was his first and last appearance.
이것은 제 처음이자 마지막 기회예요.
This is my first and last chance.
When you'd hear it
이 표현 is common in formal writing, speeches, biographies, and dramatic statements. It also appears in polite conversation when a speaker wants to make a paired description sound emphatic.
What learners get wrong
Unlike 그리고, 이자 attaches directly to a noun, as in 처음이자 마지막. 그리고 is more general and can connect full clauses as well as nouns.
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