fight off

US /faɪt ɔf/
UK /faɪt ɔf/
"fight off" picture
1.

擊退, 抵抗

to resist an attack or illness successfully

:
She managed to fight off the attacker.
她成功地擊退了襲擊者。
He's trying to fight off a cold.
他正在努力抵抗感冒。