pinning

名词 pinning:

1. a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin

动词 pin:

1. to hold fast or prevent from moving
   同义词：trap, pin, immobilize, immobilise
2. attach or fasten with pins
   同义词：pin
3. pierce with a pin
   同义词：pin
4. immobilize a piece
   同义词：pin

1. The pole fell, pinning the man to the ground.
   电线杆倒了，把那人压在地上。
2. Have you tried pinning him down on the question of capital punishment?
   你试着让他说出对实行极刑的意见了吗？
3. The Republicans are pinning their faith on their newly chosen leader to bring them victory in the next election.
   共和党人完全信任新选出的领导人能在下届选举中为他们赢得胜利。