猜测 (cāi cè): Угадать

Based on the footprints left at the scene, the police guessed that the suspect had escaped through the back window.

I guess he won't come to class today, because yesterday he said in the group chat that he wasn't feeling well.

Stop guessing and just open the box to see what's actually inside.

The weather forecast says it will rain this afternoon, so I guess the match might be postponed until tomorrow.

Scholars are still guessing about the origin of this ancient script, and there is no definite conclusion yet.