I wipe my mouth with the napkin.

• 我用餐巾擦嘴

I wipe my mouth with the napkin.的用法和样例：

例句

1. Try not to get your lips greasy.If you do, you have your napkin to wipe them with.
   要尽量不使嘴唇上有油，如果嘴唇上有了油的话，可用餐巾擦一下。