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3. be as good as gold

be as good as gold

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be as good as gold

1. To be obedient and well-behaved. Sure, I'll baby-sit Cindy's kids tonight—they're as good as gold every time I watch them.

2. To be authentic and legitimate. According to the curator, this painting is as good as gold.

See also: gold, good

be as good as gold

if a child is as good as gold, they behave very well The children were as good as gold today.

See also: gold, good