B2idiominformalstudyIELTS-friendly
it's not rocket science
USUK
used to say that something is not difficult to understand or do
Informal. Reassuring when you talk about your own work, but it can sound impatient if you say it about someone else's difficulty.
In context
Honestly, it's not rocket science: learn ten new words a day and review them every week.
Cooking rice in a pot is easy once you know how; it's not rocket science.
More idioms about study
- a steep learning curvea situation where you must learn a lot of new things very quickly
- get the hang ofto learn how to do something, especially after some practice
- get your head aroundto manage to understand something that is complicated or surprising
- hit the booksto start studying hard, especially before an exam
- know something inside outto know every detail of a subject, place or system very well