'lick at' is not a correct or usable phrase in written English.
Instead, you could use 'lick' or 'lapping.' Example: The waves were lapping at the shore.
The flames lick at the cast and crew list above.
The fire begins to lick at your leaves and you wait.
You can't just throw your body and try to lay a lick at them or arm tackle those guys.
Mr. Solarz wanted to get in one last lick at the team that had fled to the West Coast and broken his borough's heart.
The brand's slogans one of which promises to "liberate the world one lick at a time"—wouldn't be out of place at Banner repeater.
The town's indoor swimming pool is dry, its floor seeming to lick at the dust and debris like a giant tile tongue.
Flames licked at the bleached planks of the cookshack, too.
Within minutes, fat tongues of flame are licking at the top of its mouth, reaching out.
He licked at our hands and, staggering, fell, but got up again.
Fred licks at his cone and reminisces about his favorite scenes from movies.
She licks at the beard trimmings she finds in the sink.
