It is normal for people to put off having children when the future looks doubtful, so the change made sense.

The word was alien to her and she looked doubtful.

The man looked doubtful for a moment longer, then relaxed.

But he looked doubtful about the nature of the honor.

It looked doubtful that the series would last longer than five games.

The small face in its frame of fair hair looked doubtful.

She thought he looked a little doubtful about the possibility.

Just as the old couple were beginning to look doubtful again, it came to him.

The little judge looked doubtful, and said he'd make a note of it.

She wouldn't be a reporter, and at the moment a career in law looked doubtful.