Be careful when crossing the street, look both ways.
be careful
Frequency:
60
%
Be careful of strangers offering you candy.
be careful
Frequency:
50
%
Be careful not to touch the hot stove.
Idiomatic Expressions for be careful
Phrase: Look before you leap
Meaning: To think carefully about the possible consequences before taking action.
Usage: Before making any decisions, it's important to look before you leap.