He can ill rin that canna gang.
He can lee like a dog licking a dish.
He canna see an inch before his nose.
He can say "My Jo," and think it no.
That is, he can be complimentary in his speech, but not in his intentions.
He can suck the laverock's frae the lift.
"In relation to one who possesses great power of wheedling. It evidently alludes to the idea of the fascinating power of serpents by means of their breath."—Jamieson.
He can wile the flounders out o' the sea.
"'Heard ye ever the like o' that, laird?' said Saddletree to Dumbiedikes, when the counsel had ended his speech. 'There's a chiel can spin a muckle pirn out o' a wee tait o' tow!... And he's cleckit this great muckle bird out o' this wee egg! He could wile the very flounders out o' the Firth.'"—Heart of Midlothian.
He caresna wha's bairns greet if his ain laugh.