求翻译：李爷爷因为生病住进了医院，一天李奶奶来看他，可是她不认识路，她问了警察，警察告诉了她，她非常感谢警察是什么意思？

Grandpa Li because of illness into a hospital day Grandma Li came to see him, but she does not know the way, she asked the police, the police told her, she would like to thank the police