something is not very difficult to understand or do; it's relatively simple and easy
not exactly rocket science
We should make sure everyone is ______ before we make any decisions.
in the loop
very modern and with all the newest features
cutting-edge
That car is packed with ________, but it's not very practical.
bells and whistles
When it came to the __________ of running a business, he was clearly unable to cope.
nuts and bolts
The new speakers are _____, so I can just plug them in and start listening to music
plug-and-play
to fail to understand each other
getting your wires crossed
to suddenly lose the energy or interest to continue doing what you are doing
to run out of steam
The pandemic has been a ________ for global travel.
game changer
She was determined to get the promotion, ________.
by hook or by crook
a moment of sudden inspiration, revelation, or recognition
a light bulb moment
to stop or discontinue a project, activity, or plan, often abruptly or without further support
to pull the plug on something
to get angry very easily
to have a short fuse