mare's nest

A difficult, complicated, or confusing situation. The tax laws in this country are a mare's nest that nobody fully understands.

Name	Pronounced	Usage
AmÉRico	ah-ME-ree-ko (Spanish)	Spanish, Portuguese
Kirils	-	Latvian
Ansell	['ænsəl]
Mcelroy	['mæklrɔi]
Joaninha	-	Portuguese
Shideh	-	Persian