atone for a crime by doing good deeds
Atone for one's contribution.
He was one of the kidnappers, but because of his nature, he helped the police to rescue the hostages, and then he was able to reduce his sentence. postscript: riddle: idiom story: related idioms
atone for a crime by doing good deeds
sharp eyes and agile hands or nimble fingers - yǎn jiān shǒu kuài
the foot does not dip in the ground - jiǎo bù zhān dì
to one 's eyes there are no laws and rules - mù wú fǎ jì
try to shorten the neck of a crane and lengthen that of an owl -- to go against nature - duan he xu fu