seize up (seizing,seized,seizes)

• 1.  

  PHRASAL VERB（动词词组） If a part of your body seizes up, it suddenly stops working, because you have strained it or because you are getting old. (人体某部位) 发僵

  例：

  After two days' exertions, it's the arms and hands that seize up, not the legs.

  两天的劳累之后，突然发僵的是胳膊和手，并不是双腿。

• 2.  

  PHRASAL VERB（动词词组） If something such as an engine seizes up, it stops working, because it has not been properly cared for. (机器) 失灵

  例：

  She put diesel fuel, instead of petrol, into the tank causing the motor to seize up.

  她把柴油代替汽油灌入油箱，造成发动机失灵。