fight a losing battle

be fated to fail in one's efforts

注定失败；徒劳

he was fighting a losing battle to stem the tears.

他徒劳地想要止住泪水。

make a fight of it

put up a spirited show of resistance in a fight or contest

奋力抵抗

United certainly made a fight of it in the second half.

毫无疑问，联队在下半场奋起抵抗了。

fight or flight

the instinctive physiological response to a threatening situation, which readies one either to resist forcibly or to run away

或进或退；要么拼搏，要么逃走

put up a fight

offer resistance to an attack

抗击

fight back

counter-attack or retaliate in a fight, struggle, or contest

还击，反击

fight it out

settle a dispute by fighting or competing aggressively

以斗争方式解决争端

they fought it out with a tug-of-war.

他们通过激烈的竞争来解决问题。

(fight someone/thing off)defend oneself against an attack by someone or something

抵挡，防范

well-fed people are better able to fight off infectious disease.

营养充足的人更能抵抗传染病。

fight off

To defend against or drive back (a hostile force, for example).

抵抗，击退：防御或击退（例如一股敌对势力）

fight fire with fire

To combat one evil or one set of negative circumstances by reacting in kind.

以毒攻毒：在与邪恶或反动势力作斗争时以其人之道还制其人是身

fight shy of

To avoid meeting or confronting.

畏避，避开