Water over duck's back
Shui Guo Ya Bei is a Chinese idiom. Its pinyin is Shu ǐ Gu ò y ā B è I, which means that there is no trace left after the incident.
Idiom usage
As an object or attribute; used in figurative sentences
Examples
Their kind suggestions were ignored by the dictator. It was too much for him.
Chinese PinYin : shuǐ guò yā bèi
Water over duck's back
Avoid the vulgar and seek the new. bì sú qū xīn
alternating between negative and positive. yīn yáng jiāo cuò