Meanings of hev more in English

I doan' care for mysel', but I'd like to hev more to gev my little girl.'

These here little fellers named Jim an' Andy, too, yo' know, an' I want 'em to hev more of a chanct than we've hed.

"We ought to hev more'n that," said Shif'less Sol.

"They be drunk as lords," said Weld, the butcher's apprentice, "and when they comes out we'll hev more than one broken head in this street."