는 엄청난

… is a tremendous

→ 는

phrase Rare #24,375

… is a tremendous 는 marks the topic of the sentence and attaches to the preceding noun; 엄청난 means “tremendous” or “huge” and comes before the noun it describes.

KO: 이 프로젝트는 엄청난 도전이에요.

EN: This project is a tremendous challenge.

엄마 한테는 엄청난 충격 이었죠

It was a huge shock for my mom.

— 싸이코 (1960)