be careful


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be careful

To act cautiously. Usually issued as a warning. Be careful when you go out in the city at night. Be careful with that box—don't bang around my glassware! Be careful! Stay with the tour guide!
See also: careful

Be careful

 
1. an instruction to take care in a particular situation. Bill: I'm going to the beach tomorrow. Sally: Be careful. Use lots of sunscreen! Jane: Well, we're off to the Amazon. Mary: Heavens! Be careful!
2. a way of saying good-bye while cautioning someone to take care. John: See you around, Fred. Fred: Be careful. Alice: Well, I'm off. John: Bye, Alice, be careful.
See also: careful
References in periodicals archive ?
But do be careful with respect to the concerns outlined above--and then, tap away
We should be careful to avoid inappropriate diagnosis of MCS in patients who have well-defined toxic or allergic disease or irritant injury (e.
Christian Right activists better be careful what they pray for .
So, I have to be careful to be aware of my fatigue, my anxiety, my guilt, my resentment I have to be careful not to lash out at them or make them feel guilty for being normal teenage boys.
But research by the rival Staffordshire Building Society suggests most Midlanders will be careful with their new found wealth.