fasten on

动词 fasten on:

1. adopt
   同义词：take up, latch on, hook on, seize on

1. Fasten on a notion.
   坚持一种观念
2. He fastened on my hand.
   他紧紧握住我的手。
3. He fastened on his sword.
   他紧紧抓住剑。