"refused to" 是一个常用的英语短语，后面接动词不定式（to do），表示拒绝做某事。以下是一些使用 "refused to" 的例句：

1. The little boy refused to go to school.

2. He refused to believe his son was involved in drugs.

3. The bank refused further credit to the company.

4. I refuse to pay for this call.

5. She refused to do homework.

6. He refused to answer the question.

7. I refused an invitation politely.

8. They refused to let me do the work.

这些例句展示了 "refused to" 在不同语境下的用法，包括拒绝做某事、拒绝相信某事、拒绝提供信用、拒绝支付费用、拒绝做作业、拒绝回答问题、礼貌地拒绝邀请以及拒绝让某人做某事等。希望这些例句能帮助你更好地理解和使用 "refused to" 这个短语。