HIV attacks the body's immune system, making it weak and less able to fight off diseases.

But how could some chickens possibly fight off a tiger?

但是,几只鸡怎么能打跑老虎 呢 ?

Study: Can more sleep help fight off colds?

研究: 能更多睡眠帮助竭力避免感冒?

He felt pleasantly drowsy and had to fight off the urge to sleep.

他感觉昏昏欲睡，只好尽量克制睡意。

Unfortunately these drugs are quite toxic and hinder the body's ability to fight off infection.

可惜的是，这些药物毒性很大，会削弱身体对感染的抵抗力。

A shepherd must tend his flock, and at times fight off the wolves.

牧羊人要保护他的羊群, 有时也要赶走野狼.

He is trying to fight off the advances of his rival.

他正试图击溃对手的进攻.

Supposing, the immune cells in our body will fight off the infected viruses quickly.

于是, 我们身体当中的免疫细胞就会很快的杀掉这些感染病毒.

The body has a tendency to fight off , or reject , any alien living thing.

人体有拒绝, 排斥任何不同于自身组织或器官的倾向.

I tried to fight off the desire to sleep , but in vain.

我竭力想赶走睡意, 但不能.

They were determined to be united as one and fight off the invaders.

他们决心团结一致,打败侵略者.

At that time I felt it very hard to fight, fight out.

那时候我感觉自己打得很狠, 拼出去了.

Ball is to fight out, is not to boast out!

球是打出来的, 不是吹出来的!

Fight out: means settle ( an argument , a dispute, etc ) by fighting.

通过斗争使 ( 争论等 ) 得到解决.

The neighbors wanted to fight out their differences.

邻居们想解决他们之间的隔阂.

Losing their leader took all the fight out of them.

他们失去了首领以后便丧失了斗志.

This spirit fight out.

这种精神打出来了.

The news of defeat took all the fight out of us.

失败的消息夺走了我们所有的斗志.

She could create a fight out of anything.

她什么时候都能制造是非争端!

It was very inappropriate to fight over such a trivial conflict.

为这么点儿小矛盾就拿刀动仗的,太不应该了!

The two tribes got into a fight over a border dispute.

两个部落因边界之争而大动干戈.