invaluable

Your assistance has been most valuable.

你的援助是极其宝贵的。

In this day and age, time is a valuable thing.

现今的时间是很宝贵的。

My weekends are sacrosanct.

我的周末是很宝贵的。

valuable advice, help, information, etc

宝贵的意见、 帮助、 信息等

wasting valuable time and effort

浪费宝贵的时间和精力

We have had much valuable experience.

我们有许多宝贵的经验。

his dearest possessions, friends

他最宝贵的所有物、 朋友

drone(away)the precious years of youth

虚度宝贵的青春年华

Freedom is a precious heritage.

自由是宝贵的遗产。

Among all things on earth, people are the most valuable.

世间万物，人是最宝贵的。

May I trespass on your valuable space.

可否借用贵报一点宝贵的篇幅。

Quick as a wink, the lamemouse snatched up the precious talisman.

说时迟那时快，跛足的老鼠一把抓住宝贵的法宝。

so the terms @precious@ and @semi-precious@ when applied to stones do not refer necessarily to their cost.

所以宝贵和半宝贵的名称用在石头上时，未必是指它们的价值而言。

a transparent piece of ruby that has been cut and polished and is valued as a precious gem.

价值相当于宝贵的珍宝的被切割和擦亮的一件透明的红宝石。

a transparent piece of sapphire that has been cut and polished and is valued as a precious gem.

价值相当于宝贵的珍宝的被切割和擦亮的一件透明的蓝宝石。

Your suggests are super valuable,

你的建议十分宝贵。

It was decided that his valuable experience should be widely promoted.

决定推广他的宝贵经验。

He is a most valuable asset to the firm.

他是公司的宝贵人材。