A blue overalls, a pair of black shoes, wearing a white hat, he is "cleaning Uncle."

一身蓝色的工作服，一双黑色的皮鞋，头戴白帽的他就是“保洁叔”。

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The mechanic was wearing a pair of blue overalls.

机修工穿着一件蓝色工装连衣裤。

《牛津词典》

Mr Edano, who like Mr Kan is dressed in blue overalls to give the uniform-loving Japanese a sense of workmanship, is deftly trying to reduce the risk of panic around the country.

为了给酷爱制服的日本人营造一种工作的氛围，枝野幸男像菅直人一样身穿蓝色工作服，他娴熟地致力于降低发生全国恐慌的风险。

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On the inside cover she glued a photo of Mason in a plaid shirt and blue-jean overalls.

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In a popular series of art works, Canadian Edward Burtynsky drew attention to Dehui's vast chicken-production facilities in photographs showing thousands of poultry workers in a single room, all wearing pink overalls and blue aprons.

WSJ: Poultry-Plant Fire in China Kills More Than 100