That wasn't entirely what she had been expecting, and Hermione was quiet for a moment, considering his question seriously. As nice as it would have been to just tell Ron not to worry and that they were sure to win, she didn't think that she could really say that in good faith.
"I don't know," she admitted, giving an almost inaudible sigh. "I suppose all we can do is try." She wished she could have been more specific, but it wasn't really a question that had an answer.