扣住,系住( button的过去式和过去分词 );扣…的钮扣;用钮扣扣上;

It was freezing out there even in his buttoned-up overcoat.
外面非常冷,即使穿上大衣扣上扣子也不顶事。
来源:《柯林斯高阶英汉双解学习词典》John wanted to talk , but Mary told him to keep his lips buttoned.
约翰有意说出, 但玛丽要他守口如瓶.
来源:《现代汉英综合大词典》No conclusion should be drawn before all the facts are buttoned down.
所有事实弄清以前,不应该下任何结论.
来源:《现代汉英综合大词典》
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