1
general::
Phrase(s): insulate someone or something against someone or something and insulate someone or something from someone or something
to protect someone or something against the effect of someone or something. • Use an extra blanket to insulate the baby against the cold. • John is a bad inf luence on the children, and I’ve taken care to insulate them against him. • We insulated the children from the effects of John and his bad habits.
McGrawhill's American Idioms And Phrasal Verbs