1. 克服：fight back 抵抗 | fight down 克服 | fight for 为...而战
2. 打败, 压服：fight back 抵抗, 还击 | fight down 打败, 压服 | fight it out 一决雌雄, 彻底解决
3. 动力抑制：Fifher scoring 费沙计分法 | fight down 动力抑制 | fight off 排斥
4. 镇压,制服,克服：They fought back the enemy. 他们击退了敌人. | fight down镇压,制服,克服: | The firemen fought down he flames at last. 消防了员终于把火灭了.
fight down的近义词
verb
1. fight against or resist strongly
e.g. The senator said he would oppose the bill
Don''t fight it!
Synonym: fightopposefight backdefend