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general::
Phrase(s): calm down
to relax; to become less busy or active. • Now, now, calm down. You look so nervous. • Please calm down. Nothing bad is going to happen., Phrase(s): calm someone or an animal down
to cause someone or an animal to be less active, upset, or unsettled. • Please try to calm yourself down! • Can you calm down your yapping dog?
McGrawhill's American Idioms And Phrasal Verbs