Yap.Town

은 전혀

… not at all

→ 은
phrase Uncommon #6,403
… not at all 은 marks the topic, and 전혀 is generally used with a negative expression.
KO: 그 일은 전혀 어렵지 않아요.
EN: As for that task, it isn’t difficult at all.

톰은 전혀 도움이 안 된다.

Tom is no help at all.