make clear to

make something clear to someone

to help someone understand something. Let me help make the contract clear to you. I want to make it clear to you, so ask questions if you want.
See also: clear, make
References in classic literature ?
ALL that the boatswain, out of a superabundance of yells, could make clear to Captain MacWhirr was the bizarre intelligence that "All them Chinamen in the fore 'tween deck have fetched away, sir.