Inna English: The crab says he does not trust any shadow after dark
Weh it mean: Don’t be too eager to make assumptions when the situation is uncertain.
Also expressed as “Crab sey ‘im nuh trust nuh shadder after dark, not even ‘him brudder-in-law, Lobster” What he thinks is a shadow of a claw, may be a man’s hand out to catch him.