"Not rocket science" means...
It's very easy / It's not difficult
The phrase “a cog in the machine” describes a person who is...
the boss
insignificant
annoying
essential
If something is "“lightyears ahead" it is...
advanced
hot
about outer space
old
To have something "down to a science" means...
it's an easy routine
it requires a lot of education
it's very difficult
it's a new concept
What does it mean if someone is "pushing your buttons"?
They're being annoying / making you angry
"To reinvent the wheel" means...
to make an improvement on something
to check your work
to use a machine
to waste time trying to recreate something
What does "to run out of steam" mean?
to become tired / to have no more energy
"Bells and whistles" means...
warning sounds, like alarms
a big celebration
boring, nothing exciting
extra things to make something more appealing/interesting
What does "once in a blue moon" mean?
Rarely / not frequent or common
