eat no fish
You can believe in James, he eats no fish and plays the game.
（play the game=守规矩）
I don't like fish.
=I don't like to eat fish.
fish or cut bait
He's been promising voters that he'll support gun control, now it's time to fish or cut bait.
It was my job to wash out the fish tank.
an odd/queer fish
Hughes is anything but an extremely odd fish.
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