Błędnie: John thought his job as a bluecoat worker was unworthy and really felt ashamed he was unable to find a more challenging kind of work . Poprawnie: John thought his job as a blue-collar worker was unworthy and really felt ashamed he was unable to find a more challenging kind of work .
"Bluecoat" to w potocznym amerykańskim 'policjant', 'glina'. "Blue-collar" odnosi się do pracy fizycznej, np. "blue-collar worker" to 'pracownik fizyczny'.