If you can make funny (but not ugly) faces, make a funny (but not ugly) face and then smile.

如果你会做鬼脸（但不丑的那种），那就做个鬼脸然后冲她微笑。

youdao

While recording, the contrast detect AF system has the ability to use normal or wide area AF, track a subject through the frame, or use face priority AF to make sure faces are always in focus.

ENGADGET: Nikon D5200 to reach US photographers in late January for $900