tie pin

例句：

1. 1. She tied the ribbon aroundher wrist for a bracelet.
   她把丝带系在手腕上做成了手链。
2. 2. The teacher used a tie pin tohold up his coat.
   老师用别针夹住他的外套。
3. 3. He put a tiepin in his pocket to keep his keyssafe.
   他把一个别针放在口袋里来保护他的钥匙。