fight off

动词 fight off:

1. force or drive back
   同义词：repel, repulse, rebuff, drive back

1. He fought off the cold by taking aspirin.
   他服阿斯匹林来治疗感冒。
2. The firm has to fight off a lot of competition to win the contract.
   这家公司得击败许多对手才能赢得合同。