The correct way to say it is: we hate each other.
Meaning: They feel disgusted when they look at each other.
From "Sitting Alone on Jingting Mountain" - Li Bai.
Full poem: All the birds are flying high, and the lonely cloud is alone. I never get tired of seeing each other, only Jingting Mountain.
"Sitting Alone on Jingting Mountain" is a five-character quatrain composed by the great poet Li Bai of the Tang Dynasty.
On the surface, this poem is about the joy of traveling alone in Jingting Mountain, but its deeper meaning is about the poet's unparalleled loneliness in his life. With his unique imagination and ingenious conception, the poet gave life to the landscapes, personified Jingting Mountain, and wrote very vividly.
The author writes about his loneliness and his lack of talent, but also about his firmness, seeking comfort and sustenance in nature. This poem is a masterpiece in which the poet expresses his spiritual world.