COVER SOMEONE OR SOMETHING AGAINST SOMETHING
найдено в "Dictionary of American idioms"
cover someone or something against something: translationcover someone or something against something1. to cover someone or something as protection against something. •You should cover your ears against the cold.
•I covered little Jimmy against the night's drafts.
•I covered myself against the driving rain.
2. Rur. [for an insurer] to provide insurance on someone or something against some peril. •The insurance policy covered us against losses.
•This policy covers your car against theft.