His sneer was not a pleasant thing to see.
The sneer was Ellen's Parthian shot.
The "sneer of the great man." is perhaps an allusion to what Dr. Johnson says of Lord Lyttelton:that he "looked with disdain" on "the petty State" of his neighbour.
The sneer is a significant token of the difference in the economic conditions on either side.
And then he smiled a languid smile; sneering was ARTHUR'S fault, And he had one squirmy snigger which was worse than an assault.