identical
In Chinese, Pinyin is bi é w ú è RZH ì, which means that we can't distinguish the two. It comes from Guo Moruo's Haitao collection xujiabu.
The origin of Idioms
Guo Moruo's haitaoji xujiabu: "the scenery in Jiangxi is peaceful and plain. It's the same as the scenery along the Yangtze River."
Idiom usage
It means exactly the same
identical
Monofilament does not form thread - dān sī bù chéng xiàn
itself is only a trifle , but conveys deep affection - qiān lǐ é máo
grasp a typical example and you will grasp the whole category - chù lèi páng tōng
no one picks up what 's left by the wayside - dào bù duō yí
piled-up tiles and coiled ropes—redundant words - lěi wǎ jié shéng