be on guard against
常见例句
- How to be on guard against pickpockets and swindlers?
乘坐地铁时如何防范扒窃和诈骗行为？
3us.enghunan.gov.cn - Thus, you should be on guard against this confused mapping.
因此，您应该谨防这种有混淆的映射。 - And I will be on guard against two evils: hastiness and indecision.
而且我将防范两个邪恶：草率、优柔寡断。
bbs.chinadaily.com.cn - One of the things, by the way, that Eikhenbaum does in passing is remind us that we should be on our guard against thinking that sound is onomatopoetic--that is, that it reflects the meaning of what it's talking about.
艾肯鲍姆在书中提到,他特别提醒我们,不应该赞同拟声现象，拟声就是认为声音能反应它所表达的意思。
耶鲁公开课 - 文学理论导论课程节选 - Such regimes are therefore inherently belligerent and democratic nations must always be on guard against them.
CENTERFORSECURITYPOLICY: What Undid the Middle East 'Peace Process' - We must be on guard against cybersecurity becoming cyber-pork as well.
FORBES: Cybersecurity Theater vs. The Real Thing - In fact, we should be most on guard against ourselves.
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