button up
动词 v.
英文释义
动词 v.
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To fasten with a button or buttons.
— Button up your shirt cuff. It has come undone.
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To fasten all the buttons on a coat, or similar item of clothing, to keep warm.
— Button up well. It's freezing outside today.
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To conclude; to finalize; to put the finishing touches (on).
— It's time to button up the meeting.
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Alternative form of button up one's lip.
— He needs to button up.
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To seal off (a military vehicle or facility).
— Once buttoned up, NORAD's operation center can survive for more than 30 days without aid from the outside world.
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数据来源: Wiktionary