He was going to ask her out, but he chickened out at the last minute
Don't chicken out of the competition just because it's difficult
They were planning a surprise party, but a few people chickened out
I almost chickened out of the bungee jump, but I'm glad I didn't
She wanted to confront her boss, but she chickened out
We were all set to go on the hike, but the rain made us chicken out
He promised to give a speech, but he chickened out the day before
I don't want to chicken out of this opportunity
Despite his initial enthusiasm, he chickened out when he realized the risks involved
It's better to try and fail than to chicken out entirely
Are you really going to do it?
I might chicken out if I think too much.
Just do it, don't be afraid.
He was going to ask, but he chickened out
He was going to ask, but he lost his nerve
He wanted to ask, but he got scared and didn't