hatpin

例句：

1. 1.She pinned up her dress to make it look neater.
   她把裙子别起来，让它看起来更整洁。
2. 2. The hatpin caught on the hem of her dress and she had to take it off.
   帽子夹子卡在了她的裙子上，她不得不把它取下来。
3. 3. He put his hatpin in his pocket and walked out of the room.
   他把他的帽子夹子放进了口袋，走出了房间。