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
If a scholar does not go out, he knows everything - xiù cái bù chū mén,quán zhī tiān xià shì
be able to turn the tide of world events - xuán zhuǎn qián kūn
stuffy room without ventilation - mì bù tōng fēng