暗指的

例句：

1. 1. He didn't say anything but his eyes gave him away.
   他没有说什么，但他的眼神出卖了他。
2. 2. The book is a great source of information for those who want to learn about the history of China.
   这本书是那些想要了解中国历史的人的一个很好的信息来源。
3. 3. The teacher hinted at the answer during the test.
   老师在考试中暗示了答案。