He is good at mathematics

a good day’s wages for a good day’s work

to be a good match

a good ear

I am in good spirits.

a good hiding

Good heavens

a good hour

Be good to your fellow man!

A good lather is half the shave

A good man thinks of himself last

Good morning/afternoon/evening, XYZ Incorporated, Peter Bond speaking

a good many times

to be in a good temper

a good cropper

A good name is better than riches

A good servant must have good wages

A good tale is none the worse for being told twice

Good is good, but better carries it

a good turn

a good turnout

as good as done

He’s good at French

as good as gold

as good as new