1.放松;解开;松开
1.to move the part that holds something together, especially on a piece of clothing or a belt
1.She began unfastening the collar of her gown.
她动手解她长袍的领子。
2.People began unfastening their seat belts and pulling luggage from the overhead lockers, and all the while I was in the meadow.
人们开始松开安全带,把行李从头顶的储物柜里取出,而我一直坐在那片草地上。
3.Unfastening her dress, and still blushing, she began feeding her child.
她仍然有些脸红,解开衣服开始给孩子喂奶。
4.An unfastening or letting go of something caught or held fast.
解开,松开:把抓住或抓紧的东西松开或放开。