ingilizce deyimler:
as good as gold: çok sağlam, çok güvenilir; çok terbiyeli.
(as) good as gold: genuine; authentic.

Mary’s promise is as good as gold. Yes, this diamond is genuine—good as gold.

have a heart of gold: to be generous, sincere, and friendly.
Mary is such a lovely person. She has a heart of gold. You think Tom stole your watch? Impossible! He has a heart of gold.

be worth one´s/its weight in gold: (Fiil) çok değerli olmak, ağırlığınca altın değmek/etmek; çok işe yaramak.
worth its weight in gold: very valuable.

This book is worth its weight in gold. Oh, Bill. You’re wonderful. You’re worth your weight in gold.