A clear mind
Chinese idiom, Pinyin is ch é ngsh é NL í x í ng, which means to describe the intention is too special, such as silly. From the book of great harmony.
The origin of Idioms
Kang Youwei's introduction to the book of Great Harmony: "I hold the book day and night. Therefore, I read and think about it. I am so clear that I am right for my wife and children, but I am not human."
Idiom usage
He is very attentive
A clear mind
draw from one to make good the deficits of another - yì bǐ zhù cǐ
fish do not come when water is too clear - shuǐ qīng wú yú
as a little bird rests upon a man -- a timid and lovable little woman - fēi niǎo yī rén
follow correct opinions or well-intentioned advice like water flowing swiftly and smoothly downward - cóng shàn ruò liú