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은 매우

… is very

→ 은
phrase Uncommon #11,087
… is very 은 marks the topic, and 매우 means “very”; the rest of the sentence completes the thought.
KO: 선생님은 매우 운이 좋았어요.
EN: The teacher was very lucky.

선생님은 매우 운이 좋았어요

The teacher was very lucky.

— 인터스텔라 (2014)

톰은 매우 게으른 소년 이라는 걸 압니다.

I know Tom is a very lazy boy.

톰은 매우 잘생겼어.

Tom is very handsome.

진정한 혁명은 매우 슬퍼

A true revolution is very sad.

— 러시아 방주 (2002)