介绍:
Rocket science
rocket science (uncountable)
The science or study of rockets and their design.
(idiomatic) Anything overly complex, detailed or confusing.
It&`&s not rocket science. Just screw in the bulb and flip the switch.
Usage notes
(anything overly complex, detailed or confusing): This phrase is usually used in a negative comparison, as in the example above (not rocket science) to show that something is (or should be) simple, straightforward, or obvious.
