Be clear
To be clear, Chinese idioms, Pinyin is ch è D ǐ ch é ngq ī ng, meaning completely clear, without omission. From the story of heroes and heroines.
The origin of Idioms
Chapter 16 of heroes and Heroines: "now the origin of this man is clear and clear." The second and third time: "Mrs. ANN has told him this matter, a thorough clarification."
Idiom usage
It's very formal; it's a predicate or an object; it's very clear
Be clear
friendship between old and young people - wàng nián zhī jiāo
A postscript to the book of songs - dù jiǎn yí biān
let the matter be viewed in this light - zuò rú shì guān