chicken out (of something/of doing something)
To decide not to do something because you are afraid. 胆小退缩了,例如:
You're not going to chicken out, are you?
Kim put my name down for a sponsored parachute jump but I chickened out at the last moment.
con = convict
A person who has been found guilty of a crime and sent to prison. 囚犯
比如逃犯就是an escaped convict。
或者我们也可以用criminal record(the fact of having committed crimes in the past),犯罪记录。
Does he have a record?