Therefore, we must be vigilant!

所以大家一定要警惕！

youdao

To sustain current gains we must be vigilant.

为了保持已经取得的成果，我们绝不能放松警惕。

youdao

For this reason, he adds, we must be vigilant.

他还说，我们必须对此保持警惕。

youdao

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

We must be extra vigilant, The government must play its role as to make the environment safe and remove all environmental factors cancer. (OMITTED) Good sources of drinking water, he says,will stop people from going to streams and ponds, where they get infected with some of these organisms.

VOA: standard.2010.06.16

Their bodies are unable to self-regulate their core body temperature and we must be vigilant they are not too cold or too hot.

CNN: Genetic disease: Mother hopes for cure for dying children

Al Qaeda remains dangerous, and we must be vigilant against attacks.

WHITEHOUSE: President Obama Addresses the Nation

The methods and means used by unfriendly competitors or hostile nation states and the nature of modern day information processing technology dictate that we must be vigilant in protecting critical information assets and our national research infrastructure.

CENTERFORSECURITYPOLICY: What should be done?