You want to work up the case a bit.

There's such a thing, guv'nor, in this world as being a bit previous.

This here's too previous--you want to be surer of your facts.

Because you know, guv'nor nobody'll believe my word agen Squire Greyle's.

Guv'nor--this here inquest'll be naught but a blooming farce! Mark me! You ain't a native o' this part--I am.