• there's many a slip 'twixt cup and lip

• scrimp and save

• keep company with

• as pleased as punch

• part company

• an open secret

• you can put that in your pipe and smoke it

• an open book

• keep one's options open

• keep a weather eye open

• slap and tickle

• open and shut

• in the open air

• keep an open mind

• pull one's punches

• punch-drunk

• a glutton for punishment

• open fire

• stand up and be counted

• open his eyes to

• lay oneself open to it

• open fire on it

• come out into the open

• the heavens opened

• open his eyes to it

• with one's eyes open

• keep open house

• shipshape and Bristol fashion

• with open arms

• a punch-up

• up and doing