것 없이

without ...

→ 것
phrase Rare #31,819
without ... Follows a noun or verb phrase to mean “without” it, or “regardless of” it, depending on context.
KO: 그녀는 망설일 것 없이 문을 열었어요.
EN: She opened the door without hesitation.

가리는 것 없이 다 먹어요.

I eat everything without any hesitation.