priceless /ˈpraɪsləs/ adjective Learner's definition of PRICELESS
1
: extremely valuable or important : invaluable极其珍贵的;极其重要的 -
The painting is priceless.这幅画价值连城。
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a priceless piece of information一条极其重要的情报
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Good health is priceless.健康是无价的。
2
informal : very funny荒唐的;滑稽的