내심

naesim

내심 + feeling verb (내심 기대하다); noun: 내심을 드러내다

inwardly, secretly (at heart); one's true feelings

Example

아무렇지 않은 척했지만 내심 기뻤어요.

I acted like it was nothing, but inwardly I was happy.

Word parts

내 inside심 heart

Literally 'inner heart'.