always in his cap
总是戴着帽子
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When he went out alone, which was generally at night, he was always dressed in a workingman's trousers and blouse, and wore a cap which concealed his face.
当他独自出门时，并且那总是在天黑以后，便经常穿一身工人的短上衣和长裤，戴一顶鸭舌帽，把脸遮起来。
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