be both opposite and complementary
As a Chinese idiom, Pinyin is Xi ā NGF ǎ nxi ā ngch é ng, which means that two opposite things repel and promote each other. That is to say, the opposite things also depend on each other and have identity. It comes from the history of Han Dynasty.
The origin of Idioms
In the history of Han Dynasty, Yi Wen Zhi: "benevolence and righteousness, respect and harmony, on the contrary, are mutually beneficial." After the formation of "opposite and complementary"
Idiom usage
The opposite has identity. Examples "poetry education" was originally "gentle and honest", while "innocence" was regarded as "poetry education" by the people of Song Dynasty, but it was not opposite and complementary. Preface to Zhu Ziqing
be both opposite and complementary
obey others against one's will - jiàng xīn xiāng cóng
a wild horse running about without reins - yě mǎ wú jiāng