something that you say to wish someone good luck, especially before they perform in the theatre.

'Tonight's the first night of the play.' 'Is it? Well, break a leg!' (usually an order)

• can talk the hind legs off a donkey
• can talk the legs off an iron pot
• can't be arsed
• can't be bothered to
• can't be bothered to do something
• can't believe ears
• can't believe your ears
• can't boil an egg
• can't complain
• can't cut the mustard
• can't do something for nuts
• can't do something for toffee
• can't do something to save life
• can't do something to save your life
• can't for nuts
• can't for the life of me
• can't for toffee
• can't hear think
• can't hear yourself think
• can't help
• can't help something
• can't hold a candle to
• can't hold a candle to someone
• can't hold a candle to something
• can't hold a candle to something else