have/keep (your) wits about (you)

to be ready to think quickly in a situation and react to things that you are not expecting.

Cycling is potentially very dangerous in London - you really need to keep your wits about you.

• cut something down to size
• cut something loose
• cut teeth
• cut teeth in
• cut teeth in something
• cut the cord
• cut the crap
• Cut the crap!
• cut the Gordian knot
• cut the ground from under feet
• cut the ground from under someone feet
• cut the ground from under someone's feet
• cut the umbilical cord
• cut things fine
• cut through
• cut through like a hot knife through butter
• cut through like a knife through butter
• cut through something
• cut through something like a hot knife through butter
• cut through something like a knife through butter
• cut to the chase
• cut to the quick
• cut two ways
• cut up rough
• cut your coat according to cloth