He warned the public to be vigilant and report anything suspicious.

他告诫公众要保持警惕，报告任何可疑情况。

《柯林斯英汉双解大词典》

Divorced parents especially have to be vigilant to avoid the indulgence trap.

离异的父母在为避免对孩子过多的溺爱方面表现的尤其警惕。

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So be vigilant about cleaning, especially if someone in your home is ill.

因此要对清洁保持高度警醒，尤其是当你的家里有患者。

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Additional Home Secretary D.R.S.Chaudhary told a news conference Sunday authorities and citizens need to be vigilant, especially in five eastern states.

VOA: standard.2009.06.21

he adds,we must be vigilant. Khamenei also pointed an accusatory finger, once again,at the Western press, as he has done repeatedly in recent weeks, saying Western "enemies" of Iran are using "their media to instruct agitators who are provoking chaos, destruction and violence."

VOA: standard.2009.07.20

She says countries must remain vigilant and people who have decided not to get vaccinated against She says H1N1 may be moderate, but it still kills.

VOA: standard.2010.01.18

Borders and Dumfries and Galloway farms were advised to be vigilant to SBV last week.

BBC: Schmallenberg virus: SBV detected in Orkney

If you move from a common law to a community property state, be vigilant.

FORBES: Investment Guide

"These numbers just remind me that I can't afford not to be vigilant, " says Feinberg.

NPR: Online Calculator Estimates Breast Cancer Risk