on the alert
常见例句
- Often on the alert, she checks once but twice in the event...
她总是警惕着,一个事情上检查了一遍又一遍。 - He whose expectation does not lead him to be on the alert for its coming will get but little.
所以一个人的期待,倘使不能警觉到神助之将临,所得必属稀少。 - We are therefore campaigning for authors, researchers and editors to be on the alert for plagiarism and to work against cultural misunderstandings.
因此我们正在帮助论文作者、研究人员以及杂志编辑小心提防剽窃,而且还要对抗文化上的误解。 - For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.
- because all we konw now it's orange alert, the alert level has gone up or gone down We don't really know what it goes on behind the scene.
我们都知道现在是橙色警报,警戒线时高时低,我们真的不知道,事情背后是如何处理的。
普林斯顿公开课 - 国际座谈会课程节选 - But it has taken on new urgency,coming one day after the World Health Organization raised its global swine flu alert to Phase 4 on the six-point scale.
- He said he had warned all his employees to be constantly on the alert.
NPR: Texas DA Slain In His Home; Had Armed Himself - Planned Parenthood has to be on the alert already given the episodes over the last month.
FORBES: Planned Parenthood Opponents Want to Recruit High School Videographers - You can be the one to be on the alert for their financial safety.
FORBES: The Case of the Missing Cash 返回 on the alert