But in her case, she's such a careful observer of people, that I was self-conscious about being too well understood.

Before a child turns three, careful observers can see signs of autism.

Or almost everything, since the plant offers a great surprise to the truly careful observer.

He was not a crank, but an extremely careful observer.

That we support the Soviet reforms wouldn't surprise careful observers of the democratic left.

The meeting point between the original building and the addition is evident to the careful observer.

William Walsh was a careful observer of the political scene.

Although a careful observer, he was by no means a practical geographer.

The more careful observer, though, could see slight differences between the different gambling spots.

Now, a careful observer might be able to detect this.