The exciting discovery of a new species in the rainforest was a true mare's nest.
problem
Frequency:
60
%
The unexpected problem with the project turned out to be a mare's nest.
confusion
Frequency:
50
%
The unravelling confusion surrounding the scandal was a real mare's nest.
Idiomatic Expressions for mare’s nest
Phrase: a mare's nest
Meaning: a situation or idea that is illusory, deceptive, or imaginary
Usage: The new investment opportunity turned out to be a mare's nest, with no real chance of success.