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

不幸的是，这些药毒性很大，妨碍身体抗感染的能力。《柯林斯英汉双解大词典》

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

他感觉舒适地昏昏欲睡，不得不击退睡意。《柯林斯英汉双解大词典》

3·People with cystic fibroses are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.

患有囊性纤维变性的人却无法抵抗这种细菌，即使他们的肺部能产生正常数量的抗生素。

4·Sleeping better may help fight off illness.

良好的睡眠可能有助于抵御疾病。

5·People with cystic fibrosis, however, are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.

然而，患有囊性纤维化的人却无法抵抗这种细菌，即使他们的肺部能产生正常数量的抗生素。

6·In this rudimentary natural society men go out to hunt and fish and to fight off the tribe next door while women keep the fire going.

在这个原始的自然社会里，男人出去打猎、捕鱼、击退隔壁部落，而女人则继续生火。

7·He asks them to use facts to fight off fear.

他要求他们用事实来打败恐惧。

8·Mother had to fight off my dad because he went along with most of the professionals, the dark forces who wanted to put me in an institution.

母亲要同父亲斗争因为他同大多数的专业人士搭一条船，他是想把我送到福利院的暗黑势力。

9·We use them to fight off the bad bacteria.

我们用它们抗击对我们有害的细菌。

10·This means your body can fight off the rubella virus if it enters your body.

这意味着你的身体在风疹病毒进入的时候能战胜风疹病毒。