be devoted to one's duty;[电影]The Good Shepherd;

In his position opportunity for taking his evenings out was excellent.
由于他的职务之便,他晚上要出外很方便.一般来说,他非常忠于职守.
来源:英汉文学 - 嘉莉妹妹A good editor must be learned, responsible and devoted to his work.
一位优秀的编辑必须学识广, 责任心强,忠于职守.
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