螺丝钉 luósīdīng screw Origin Definitions Defs Strokes Stroke Words Sentences Sents 永不生锈的螺丝钉 yǒngbùshēngxiùdeluósīdīng loyal contributor a "screw that never rusts" – metaphor used in CCP propaganda to praise loyal, selfless contributors, famously applied to model worker Lei Feng