To reinvent the wheel - to waste time doing things that others have already done, To pull the plug on somebody - to cancel someone’s plans, It’s not rocket science - easy to implement, as bright as a button - very intelligent, cutting edge - advanced and innovative, to run out of steam - to lose enthusiasm, in tune with - in agreement or harmony with someone or something, chop chop - quickly, without delay, Nuts and Bolts - the finest practical details of something, push back the frontiers - discover new things about something,

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