We lost each other
It's a Chinese idiom. Pinyin is Xi ā ngsh ī Ji ā ob ì, which means to describe missed opportunities. From Zhuangzi Tianzifang.
The origin of Idioms
"Zhuangzi Tianzifang" says, "I've lost my hand with you all my life."
Idiom usage
Used as a predicate or attributive; used in writing. The fourth chapter of Liang Qichao's the future of new China: "Jianjia autumn water, let's miss each other."
We lost each other
sport with the wind and play with the moon -- seek pleasure - cháo fēng nòng yuè
feel as if a knife were piercing one 's heart - xīn rú dāo jù
roundness inside but squareness outside - wài fāng nèi yuán