I limp [4s] on the button and the flop has the and the . Check, check, check, pot
bet, I raise big, blind calls, better calls.

Turn is a 4. Checks to me, I check behind.
River is a blank. Checks to me, I check behind and take it down with my pair of 4s. The blind shows the nut flush draw on the flop, the other guy doesn't show.