你一直在抽鼻子——听起来你感冒了。

You were ___sniffing a lot - it sounds like you have a cold.

突然，我们听到黑暗中有东西在嗅闻，结果发现是一头熊。

Suddenly we heard something ___sniffing in the darkness, which turned out to be a bear.

在庄严的仪式上，她尽量不让自己大声地吸鼻子。

She tried not to ___sniff audibly during the solemn ceremony.