Phrase Meaning
Wake up Arise from sleep
Be in Charge Manage, have responsibility
As soon as When, just after
Get in touch with Communicate with, to contact
Have a good time Enjoy oneself
In no time Very quickly
Cut down on Reduce 
Quite a few A lot, many
Used to Had the habit of  (we use this to show a past action that doesn't happen anymore)
Be used to To be accustomed to (refers to a present action)
Get used to Become used to (refers to the process of change for a new situation,)
Back and forth Go one place and back again to the original place
Have on To be wearing
Dead Describes an empty place / extremely, very
Killer Amazing, great
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