on one's guard
In a watchful state; alert; vigilantIn a watchful state; alert; vigilant.
» You'd better stay on your guard.
Meaning
1 sensesIn a watchful state; alert; vigilant.
Be on your guard against pickpockets in the railway station.
Examples
51 sentencesYou'd better stay on your guard.
Tom fell asleep on guard duty.
ruТом заснул на посту. — Wezel
deTom schlief während des Wachdienstes ein. — Pfirsichbaeumchen
Be on your guard against Tom.
Tom will be on his guard.
Tom was accused of falling asleep on guard duty.
deTom wurde des Schlafens während des Wachdienstes angeklagt. — Pfirsichbaeumchen