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.

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

Name	Pronounced	Usage
Grove	[grəuv]
Ansaldo	-	Italian
Quinn	[kwin]
Efe (2)	-	Western African, Urhobo
Clement	['klemənt]
HermÍNio	-	Portuguese