guard against

The armed forces were on high alert to guard against any retaliation.

武装部队保持高度戒备，以防发生任何报复行动。

In scientific discussions it is essential to guard against subjectivism and arbitrariness.

在科学讨论中要严防主观武断.

You must guard against those who fawn upon you and bow obsequiously before you!

对阿谀奉承、点头哈腰的人要格外警惕!

Security cameras have been installed to guard against poachers.

已安装了安全摄像头来监视偷猎者。

The rancher must always be on guard against the dangers that nature can create.

牧场主必须时刻防备可能发生的自然灾害.

A reporter tries to guard against inaccuracies by checking with a variety of sources.

记者试图通过多方求证来避免不实报道。

Miners wore a helmet as a guard against falling rocks.

矿工头戴钢盔,防护落下的岩石.

Be on your guard against pickpockets.

提防扒手.

Correct mistakes if you have made any and guard against them if you have not.

有则改之,无则加勉.

You must be on your guard against the dog.

你一定要防备那只狗.

We shall have to be on our guard against making mistakes like that in the future.

我们今后必须防止发生类似错误.

Be on your guard against thieves.

当心小偷.

The doctor must always guard against passing on disease to his family.

医生必须时常提防把疾病传染给他的家人.

We must guard against accidents.

我们必须谨防事故.

He is constantly on guard against any threat of humiliation.

他时刻提防着任何有辱尊严之事。