rocket science
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈrocket ˌscience noun something is not rocket science informal used to say that something is not difficult to do or understand 某事并不难做[高深] Designing a website may be a lot of work but it’s not rocket science. 设计一个网站可能很费功夫，但并非难事。
Examples from the Corpus
rocket science• Timing can be everything, even in rocket science.• Leading teams through a one-day goal-setting workshop does not involve rocket science.• After all, this really is rocket science.• Finding a way out of this mess does not require rocket science.ˈrocket ˌscience nounChineseSyllable
that is Corpus something say to used not
rocket science
ˈrocket ˌscience
noun
something is not rocket science informal used to say that something is not difficult to do or understand:
Designing a website may be a lot of work but it’s not rocket science.
ˈrocket ˌscience
nounsomething is not rocket science informal used to say that something is not difficult to do or understand:
