His open shirt revealed a fat gold chain.

他敞开的衬衣里露出一条粗大的金链子。

《柯林斯英汉双解大词典》

You can see the red handkerchiefs knotted round their throats, and their shirt-fronts blue and white between the open waistcoats.

你可以看到他们的脖子上系着红手帕，敞开的背心中间是蓝白相间的衬衫前襟。

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The top can be worn buttoned up or open over a T-shirt.

这件上衣可以系上扣子或不系扣子套在T恤衫的外面穿。

《柯林斯英汉双解大词典》

Mr Brown, who wearing an open neck shirt, brown jumper, jacket and dark trousers, said the couple were "delighted" that Sarah was returning home.

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Tie or open neck shirt, smart or casual, bright or dark?

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Rubinger, twenty-four, had a Gatsby look: a summer suit with a white, open-collared shirt.

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