劳苦功高 
have worked hard and performed a valuable service
- 这班劳苦功高的“英雄”,手颤颤地举着“胜利之杯”,心头还不免有些怔忡不定。
These well-tried, highly-honoured "heroes and heroines" were preparing to " quaff the cup of victory"-though not, of course, without some qualms about the possible outcome. - 眼大而露温顺之色,力大而显儒雅之气,劳苦功高而谦逊,任劳任怨而肃穆。牛也!
Large, gentle eyes reveal the color, force large and visible refined atmosphere, and hard work engineering a while humble, hard working and solemn. Bulls! - 最早出来以不同政见者身份策应颜色革命的萨哈罗夫劳苦功高,萨哈罗夫即获诺奖;
Andrei Sakharov was the first dissident to try for a color revolution, and he also won the Nobel Prize.