가면

In a sentence

• 가면을 쓰고 무대에 섰어요.

  I wore a mask and stood on the stage.

  Here, "가면" refers to an actual physical mask used as a prop or costume item.

• 학교에 가면 친구들을 만날 수 있어요.

  If I go to school, I can meet friends.

  Here, "가면" is used as a grammatical construct combining "가다" (to go) and "면" (if clause).

• 그는 진실을 숨기기 위해 가면을 썼다.

  He wore a mask to hide the truth.

  In this sentence, "가면" metaphorically represents a facade or pretense to conceal one's true feelings or intentions.