Lǐ Bái zài 《 Yuè xià dúzhuó 》 lǐ yí ge rén hējiǔ, què bǎ yuèliang hé yǐngzi dàngchéng le péngyou.
In "Drinking Alone by Moonlight" Li Bai drinks by himself, yet treats the moon and his shadow as friends.
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culture
The first poem is the famous one: 花间一壶酒，独酌无相亲。举杯邀明月，对影成三人。 'A jug of wine among the flowers; I drink alone, with no one near. I raise my cup to invite the bright moon, and with my shadow we make three.'
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独酌 'to drink alone' is literary. In everyday speech you would say 一个人喝酒.
