• the Establishment

• perish the thought

• fish in troubled waters

• a queer fish

• neither fish nor flesh nor good red herring

• a pretty kettle of fish

• a glutton for punishment

• have other fish to fry

• drink like a fish

• spit and polish

• jockey for position

• big fish

• finishing touches

• out of commission

• penny wise and pound foolish

• a big fish

• like a fish out of water

• stand-offish

• make an exhibition of oneself

• in mint condition

• make a issue of it

• be above suspicion

• take issue with him

• make fish of one and flesh of another

• there's plenty more fish in the sea

• in a delicate condition

• polish it off

• wishful thinking

• a big fish in a small pond

• the point at issue

• a vicious circle