June's eyes turned dull and hard when she looked at me.

The house became brightly painted, then abruptly turned dull.

It wasn't designed for such treatment, and turned cloying and dull.

She swayed slightly, her eyes turning dull as she looked at him.

That tame approach may make the students seem typical of many in Middle America, but it quickly turns dull.

Now, when she imagined moving along without him, the picture turned dull and listless.

But she is the same kind of awful throughout the story, to the point at which even her arrogance turns dull.

With the green ones, you must plunge them into ice water after they've been steamed or simmered so they don't turn dull.

There is no vinegar in the salad, so the greens will stay green and not turn dull from the acid.

But the collection turned drowsy and dull at night.