safeguard against

基本解释

Reviews are the only safeguard against poor quality when you're using a waterfall approach.
当您使用瀑布方法时，审查是对抗糟糕质量的唯一安全措施。
Its international reserves now stand at over $1 trillion. At most the Bank of China needs to hold about $600 billion as a safeguard against potential shocks.
中国的外汇储备已突破1万亿美元，要防范可能发生的经济冲击，中国央行充其量只需要6000亿美元左右。
How can a board act as a safeguard against corruption or incompetence when the possible source of that corruption and incompetence is sitting at the head of the table?
或者说，如果腐败之源、无能之辈恰好就坐在会议桌上座的话，董事会又怎能充当防范卫士呢？

With a disarming twinkle he adds, "It is hard to know how to safeguard against this!"
FORBES: Magazine Article
Preemption, in the case of greenhouse gas regulation, is the only viable safeguard against unwarranted state interferences with the national economy.
FORBES: Kaleidoscope Climate Laws Cut Jobs, Not Emissions