줄 아나 보지

I guess (someone) thought…

→ 줄
phrase Rare #25,286
I guess (someone) thought… Used to guess that someone believes or believed something. The form changes with tense and politeness, as in 줄 알았나 봐요.
KO: 그는 내가 모르는 줄 아나 보지.
EN: I guess he thinks I don't know.