unsung hero

基本解释

Let us also build up human capacity in malaria-endemic countries; our continued success depends on the hard work and dedication of these unsung heroes.
我们还要培养疟疾流行的国家的人力；我们要想不断得到成功，有赖于这些无名英雄的勤奋和献身。
But some of the most exceptional unsung heroes in business are the managers who resist taking authority and the limelight and build a solid stage where others can be stars.
但在商业界，那些最杰出的无名英雄，往往是不以权威自居，为公司成长建立一个又一个里程碑和坚实基础的经理，而后来人站在这块基石上，成为了耀眼的新星。
Debating his claims properly might also remind people of Poland's unsung heroes, without whom more Jews would have died.
对他的观点进行争论恰好可以让人们回想起波兰的那些无名英雄们。没有他们，更多的犹太人会死于非命。

None of these things are problems today, thanks to an army of unsung heroes known as standards.
WHITEHOUSE: Office of Science and Technology Policy Blog
But there's also a group of unsung heroes who made this accomplishment possible.
FORBES: Dead Man Working
But in the fourth quarter of 2008, these unsung heroes, too, were laid low by the scumbags on Wall Street and in Washington.
FORBES: Can Small Business Lead The Recovery?