他用笑来表示谢谢。

Tā yòng xiào lái biǎoshì xièxie.

He used a smile to show his thanks.

请先在这张表上写你的名字和电话。

Qǐng xiān zài zhè zhāng biǎo shàng xiě nǐ de míngzi hé diànhuà.

Please first write your name and phone number on this form.

我新买的手表很漂亮。

Wǒ xīn mǎi de shǒubiǎo hěn piàoliang.

The watch I just bought is very pretty.