There was a speculative look in her eyes, just for an instant.

Greg was given some dark speculative looks as he came in.

She left the office, ignoring the speculative look Fred gave her.

In fact they were regarding him with a strange speculative look.

Inside the wagon, she gave the chest a speculative look.

With a last, speculative look at the two of them, Duncan turned and walked down the street toward his car.

He let her close the door behind him, and after giving it one speculative look, walked away.

When her gaze met his, he noted the quick, speculative look she gave him.

I cannot deny that some of them have a speculative look.

She gave both of us a very speculative look, nodded, then walked away.