• in a lather
• there is method in his madness
• have got another thing coming
• every other
• you could have knocked me down with a feather
• at each other's throat
• split hairs
• go in one ear and out the other
• six of one and half a dozen of the other
• am I my brother's keeper
• there's no knowing
• there's no saying
• the father and mother of
• look the other way
• there is not much fear of it
• neither fish nor flesh nor good red herring
• a rolling stone gathers no moss
• every Tom Dick and Harry
• there are no flies on him
• Big Brother
• the shoe is on the other foot
• neither here nor there
• have other fish to fry
• featherbed him
• be torn between one thing and another
• one man's meat is another man's poison
• this and that that and the other
• teach one's grandmother to suck eggs
• wool-gathering
• thereby hangs a tale
• there's more to it than meets the eye