他的忠告比千金还要珍贵。

His advice is more valuable than a thousand pieces of gold.

他愿意出千金买下这匹马。

He is willing to pay a thousand pieces of gold for this horse.

这幅画价值千金。

This painting is worth a thousand pieces of gold.

这颗宝石价值千金。

This gem is worth a thousand pieces of gold.

她的微笑价值千金。

Her smile is worth a thousand pieces of gold.