What is nice try?

"Nice try" is an idiom or colloquial expression that is typically used to respond to someone who has attempted to deceive or fool you, but has ultimately failed to achieve their goal. It can also be used sarcastically or as a polite way to dismiss a suggestion or idea that you do not agree with. In some cases, "nice try" can also be used as a compliment to acknowledge someone's effort, even if it did not result in success. Overall, "nice try" is a versatile phrase that can be used in a variety of situations.