Select the most appropriate meaning of the given idiom.

Get cold feet

To feel nervous about doing something

The most appropriate meaning of the idiom "get cold feet" is to feel nervous about doing something.

The other options are incorrect.

• "To get no results" does not mean to feel nervous about doing something. Getting no results means that something did not work out the way you wanted it to.
• "To be in a bad mood" does not mean to feel nervous about doing something. Being in a bad mood means that you are feeling unhappy or grumpy.
• "To escape from something" does not mean to feel nervous about doing something. Escaping from something means to get away from it.

The idiom "get cold feet" comes from the idea of someone's feet getting cold when they are nervous or scared. In the same way, to get cold feet means to feel nervous or scared about doing something, and to be hesitant to do it. For example, you might say that a student got cold feet before giving a presentation.