Correct Answer: To feel nervous about doing something

Solution : The correct choice is the third option.

Explanation : The idiomatic expression get cold feet is a figurative way of expressing nervousness or apprehension about a forthcoming action or event. The phrase is often used to describe a sudden loss of courage or confidence before engaging in a task or activity. It does not imply getting no results, being in a bad mood, or escaping from something. Get cold feet conveys the idea of feeling anxious or hesitant about proceeding with a planned action.

Therefore, the correct meaning of the idiom is, feeling anxious or hesitant about proceeding with a planned action.