例句：

　　Grandpa is not feeling very well today.

　　爺爺今天身體欠安。

　　When Grandpa shows his authority, we are all afraid of him.

　　爺爺一發(fā)威，全家人都害怕。

　　We fell about at grandpa's funny story.

　　聽(tīng)了爺爺講的滑稽故事，我們忍不住大笑。