속으로

into; inward into

→ 속
phrase Uncommon #8,098
into; inward into Used after a noun to indicate movement into its interior or within it. It can also describe turning inward, such as thinking or speaking to oneself.
KO: 연기 속으로 들어가면 더 이상 못 쫓아올 거야.
EN: If you go into the smoke, they won’t be able to follow you anymore.

톰이 물 속으로 뛰어 들지 않았어.

Tom didn't jump into the water.

그는 속으로,

He thought to himself,

속으로 들어가세요

Please go inside.

— 파이트 클럽 (1999)

톰은 물 속으로 뛰어 들진 않았어.

Tom didn’t jump into the water.

연기 속으로 들어가면 더 이상 못 쫓아올 거 야

Once you go into the smoke, they won't be able to follow you anymore.

— 제5원소 (1997)

옷 위로, 옷 속으로?

Over the clothes or under the clothes?

— 문라이즈 킹덤 (2012)