As she doesn't want to be cheated again, she's always on the alert.
由於她不想再被騙,所以她總是保持警惕。
He didn't want to be cheated again, and was always on the alert.
他不想再被騙了,而且總是保持警惕。
Cobras are always very alert.
眼鏡蛇總是非常警覺。
The soldiers were on the alert.
士兵們都處於戒備狀態。
They are alert to the dangers of food poisoning.
他們對食物中毒的危險保持警惕。
The climber stayed alert while climbing the precipice.
登山者在爬懸崖時保持警惕。
The soldiers were on the alert.
士兵們都處於戒備狀態。