cold-feet

Here’s another idiomatic expression to help boost your lexical resource score. If you get cold feet about something, it means that you become to fearful or anxious about doing something that you had previously planned or said that you would do. It’s often used in connection with marriage and relationships but it can be used in many other scenarios.It could easily be incorporated into your speaking test.

I did consider going white water rafting when I was on holiday but I got cold feet.

My brother was going to get married last year but both he and his girlfriend got cold feet at the last moment.

I’m getting cold feet about applying to do a Masters degree.