i'm begging you ... complete these idioms for me
"it's easy to be wise after the ........"
The meal was absolutely delicious but the size of the bill gave it "a nasty ...... in the tail"
thanks in advance
be wise after the event: understand and assess an event or situation correctly after its implications become self-evident
sting in the tail: an unexpected, typically unpleasant or problematic end to something
Do you have a good dictionary? A good dictionary will give the meaning of these expressions.