The shelf looked as though it had been carved out of a wall of living wood.

The untidy top shelves looked suggestive of some lucky accident which might unexpectedly lead the way to success.

The shelves look as if somebody hammered them together from scrap lumber.

I hastily searched the shelves, opened the utility closet, looked behind stacked boxes.

It is so lopsided that a shelf on the living area's brick wall is level but doesn't look it.

The shelves looked good, and I piled on all the books, heavy ones at floor level, lighter ones at the top.

Because the house is old and sagging, the shelves look crooked when John builds them straight with respect to the earth's center of gravity.

But this shelf looks plenty long enough to hold even the Yokohama's engine.

One shelf of books looked different from the others - less tidy - the books not so jammed together.

We had already climbed quite high, and this shelf of land looked a long way east.