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- good as gold
good as gold
*good as gold
Cliché very good. (Usually used to describe children. *Also: as ∼.) Mother: Thank you for taking care of Gretchen; I hope she hasn't been too much trouble. Grandmother: Not at all; she's been as good as gold. We knew that Daddy would not read us a bedtime story unless we behaved, so we tried to be good as gold.