perform a meritorious service to atone for one's crimes; atone for one's crimes by a good deed; perform merits to atone [redeem] for one's misdeeds; repent one's evil ways and prove it by one's deeds
Example Sentences:
1.
It seems to us high time that they began to work their passage . 在我们看来，这正是他们立功赎罪的良好时机。
