always be on (one's) guard

Always be especially careful or vigilant; always be prepared for danger or surprises. He's got a lot of tricky moves, so you should always be on your guard! She needs to always be on her guard on those trails—they can be really treacherous to climb.

词组	always be on (one's) guard
释义	always be on (one's) guard always be on (one's) guard Always be especially careful or vigilant; always be prepared for danger or surprises. He's got a lot of tricky moves, so you should always be on your guard! She needs to always be on her guard on those trails—they can be really treacherous to climb. See also: always, guard, on Farlex Dictionary of Idioms. See also: as always it was ever so twa it was ever thus thus you can't always get what you want never fails the first step is always the hardest first step is always the hardest kiss the rod
随便看	have to be seen to be believed have to burn have to do with have to do with (something) have to eat (one's) words have to get married have to go now have to go some have to go some to (do something) have to hand it to have to hand it to somebody in loco parentis in love in love (with someone or something) in low cotton in low water in luck in many respects in marching order inmate in memory of in memory of somebody in memory of (someone or something) in merry pin in microcosm