To reinvent the wheel - to waste time by trying to create something that's already been done, To blow a fuse - to become very angry and lose one's temper., Once in a blue moon - used to talk about something that happens very infrequently., A cog in the machine - used to talk about people who feels like they are insignificant in a large organisation., To pull the plug - to stop or prevent something from happening., To push one's buttons - to deliberately provoke someone., To be on the same wavelength - when people think in a similar way and understand each other well., It's not rocket science - it's not difficult., A well-oiled machine - used to describe anything that operates smoothly without issues., Lightyears ahead - very advanced in its development or success, To have something “down to a science” - being a master of something to the point of needing little to no focus or recall to do it., Nuts and bolts - then basic, practical, and factual details of something., To run out of steam - to lose enthusiasm., To know what makes someone tick - to know what motivates someone., bells and whistles - special features that are added to a product or system to attract more buyers,

B2/C1 Science and technology idioms

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