은 더

… more

→ 은
phrase Common #3,624
… more 은 marks the topic, while 더 means “more” or “any more.” Together, they are not a fixed phrase; the translation depends on the surrounding sentence.
KO: 오늘은 더 추워요.
EN: Today is even colder.

병력 천은 더 필요하오

We need a thousand more troops.

— 적벽대전: 거대한 전쟁의 시작 (2008)