千金 | qiān jīn | thousand jin 斤 / (pounds) of gold / money and riches / (honorific) invaluable (support) / (honorific) daughter | |
无价 | wú jià | invaluable / priceless | |
价值连城 | jià zhí lián chéng | invaluable / priceless | |
功高不赏 | gōng gāo bù shǎng | high merit that one can never repay (idiom) / invaluable achievements |