# Catch

This is plural, as if the woman is speaking to more than one man, but most versions translate who she is speaking to as the man, so you could translate this as singular.

# the foxes

These animals look like small dogs and were often used in love poetry to represent eager young men who would spoil a young woman.

# for us ... our vineyard

The words "us" and "our" could possibly be exclusive, referring to the woman herself, as in Song of Songs 1:4 or inclusive, referring to the woman and the man, or exclusive, referring to the woman and the rest of her family.

# foxes

"jackals." A jackal is a type of thin wild dog with long legs.

# the little foxes that spoil

Foxes spoil or destroy vineyards by digging holes and eating vines and grapes.

# in blossom

The vineyard is healthy and the grapes have appeared, but they are not ready for harvest. See Song of Songs 2:13.