看到我摔倒了，她做了个鬼脸，戏弄地说'呐呐'。

When I tripped, she made a face and said '___nah-nah' teasingly.

他带着顽皮的笑容说：“抓不到我吧！”

"___Nah-nah, you can't get me!" he said with a playful grin.