make a Virginia fence

cannot make it

Cannot reach satisfactory or expected standards or do something competently; describes someone in a hopeless situation.

doctors make the worst patients

It is difficult to advise people on subjects that they are experts on.

enough to make a cat laugh

Very outlandish or outrageous.

enough to make the angels weep

Something so distressing that it causes one to lose hope and faith.

fence in

To restrict freedom.

fence the tables

To make a solemn address to those who present themselves to commune at the Lord's Supper, on the feelings appropriate to the service, in order to hinder, so far as possible, those who are unworthy from approaching the table.

fine feathers make fine birds

Something that appears beautiful or good is by definition beautiful or good.

homely as a hedge fence

Having no physically attractive characteristics, but not blatantly ugly; very plain in appearance.