It's clear as mud. 무슨 말인지 모르겠다.
as clear as mud로도 자주 사용되는 이 숙어는 not clear at all, very difficult to understand 의 뜻이다.
세계적인 인터넷 서점 아마존에서는 다음과 같이 책소개를 하고 있다.
Most of us believe that communication is simple and easy. Unfortunately, we're wrong. It's complicated.
It's more about listening than about talking. It's more about nonverbal messages than about words.
It's about psychology and personality and relationships and culture. It's right smack in the middle of office politics, friendships, and divorces.
This book describes communication myths that get us into trouble and provides concrete, specific communication
skills that you can use to improve all your relationships. Learn to listen effectively, to identify the stories that get you
into trouble, to handle your emotions, to express needs clearly, and to resolve conflicts.
This book is filled with simple, everyday examples of communication that isn't working and how to fix it.
Improve your communication skills and enjoy better relationships at home, at work, and in the world!