unbutton

動詞

1. 1

   解開鈕扣、鬆開扣子

   He unbuttoned his collar and loosened his tie.

   他解開領口的扣子，把領帶鬆開。

2. 2

   扣子鬆開、解得開指衣物

   This old jacket unbuttons easily at the cuffs.

   這件舊外套袖口的扣子很容易解開。