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general::
Phrase(s): wake someone or an animal up
to cause someone or an animal to awaken. • Please don’t wake me up until noon. • Wake up your brother at noon., Phrase(s): wake up
to awaken; to become alert. • Wake up! We have to get on the road. • It’s time to wake up!, Phrase(s): wake someone up (to something)
to cause someone to become alert and pay attention. (Does not refer to some one actually asleep.) • We tried to wake them up to the dangers. • Try to wake up the students to their responsibilities.
McGrawhill's American Idioms And Phrasal Verbs