警戒

(1)be vigilant, be on the lookout or be careful; "Watch out for pickpockets!"

(2)用心深い、または注意深い

(3)take precautions in order to avoid some unwanted consequence; "guard against becoming too friendly with the staff"; "guard against infection"

(4)望ましくない結果を避けために、予防策を講じる

(5)to keep watch over; "there would be men guarding the horses"

(6)を見張る

(7)watch over or shield from danger or harm; protect; "guard my possessions while I'm away"

(8)危険または危害を見張るか、保護する

(1)guard my possessions while I'm away

(2)私がいない間、私の財産を保護する