crystal clear
成語所屬單字crystal-clear
crystal clear — 慣用語
1. used to say that something such as a message, document, or instruction is worded
1.慣用語
釋義
措辭精準，毫無模糊空間
used to say that something such as a message, document, or instruction is worded so precisely and cleanly that there is no possibility of misunderstanding or confusion.
例句
The notice said in crystal clear terms that the building would be closed all week.
Caleb made his concerns crystal clear without sounding angry.
The contract was crystal clear about the payment schedule.
The email was crystal clear about the meeting time and location.