Значение идиомы mare’s nest

[mare’s nest] {n. phr.} Something that doesn’t exist; a discoverythat proves to be worthless.

He claims that he has discovered agasoline substitute but we suspect it will turn out to be a mare’snest.



Nervous at the public.
Плюсы и минусы гмо на английском.


Значение идиомы mare’s nest