(as) good as gold
01
used to describe a very well-behaved and obedient individual, especially a child
例
A lot of teenagers rebel, but not me — I was always good as gold.
02
(of a thing) in a very good or desirable condition
Idiom
Informal
例
The antique vase she bought turned out to be good as gold, a genuine piece from the 18th century.
03
(of a person) having good health or positive outlook on life
Idiom
Informal
例
Despite facing challenges, she remains as good as gold and always has a smile on her face.
