含糊 (hán hu): mơ hồ

At the meeting, the boss spoke vaguely about the new project, and no one could figure out whether he actually wanted to do it or not.

He answered evasively, neither agreeing nor disagreeing, leaving people unable to guess his true thoughts.

The terms in the contract are written too vaguely; if a dispute arises, both parties could suffer losses.

When the teacher asked Xiaoming why he was late, he just vaguely said there was a traffic jam, but actually it was because he overslept.