The collar has a TAB with a button hole.

那个衣领有一个小垂片，片上有一个钮扣孔。

He wore a sprig of lilac in his button hole.

他在钮孔上面插了一小枝丁香。

Grip the enlarged handle of the hook and feed the wire loop through the button hole.

抓住钩的扩大柄和通过按键洞喂电报圈。

Assists one-handed dressing by passing through button hole and gripping thread of button.

助攻单手穿衣透过按钮孔与按键夹持螺纹合格。