单词：unbuttoning
音标：[ʌnˈbʌtnɪŋ] ；
v. 解开（纽扣）( unbutton的现在分词 ); 打开; 表露; 吐露
v undo the buttons of
unbutton的用法和样例：
例句
用作动词(v.)
- Step aside here and unbutton your vest please.请您到这边来一下，解开马夹纽扣。
- Please unbutton your shirt and loosen your belt.请解开上衣的扣子
经典引文
The boy started to unbutton his shirt.
出自：W. Boyd