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watch out: look out; be on guard 小心;提防
再如:
You'll be cheated if you don't watch out.
如果你不小心,就会上当受骗。
WATCH OUT FOR CARS WHEN YOU CROSS THE STREET.WATCH OUT MEANS LOOK OUT OR BE ON GUARD,FOR THE CASE,YOU'LL BE CHEATED IF U DON'T WATCH OUT.
ANOTHER SENTENCE,WHEN SOME GUYS FOUND THEIR REAL ANGEL IN HIS LIFE,MAYBE HE WOULD C THIS EVERYDAY :HI,DARLING,U SHOULD WATCH OUT THE CAR WHEN U GONNA TO WORK.