He felt vaguely troubled, but then returned to his work and let other matters drift away.

Chris walked down the beach by himself, vaguely troubled.

She still stood, holding her lower lip with her teeth, her eyes vaguely troubled.

He was vaguely troubled about the trip.

It looks like this: I stare at it, vaguely troubled.

"Thank you, sir," the spy said, lowering his gaze contemplatively in a way that made him look vaguely troubled.

They were vaguely troubled though to observe that about half the cabins they passed seemed empty.

But when the seller immediately accepted their bid, they were vaguely troubled.

Bria was quiet a moment, her gaze reflective and vaguely troubled.

Vaguely troubled by her words, Goemon bowed in reply.