酒逢知己千杯少

jiǔ féng zhī jǐ qiān bēi shǎo

a thousand cups of wine is not too much when best friends meet (idiom)

when you're with close friends, you can let your hair down

酒

jiǔ

wine (esp. rice wine)

逢

féng

to meet by chance

知

zhī

to know

己

jǐ

self

千

qiān

used in 鞦韆|秋千[qiu1 qian1]

杯

bēi

variant of 杯[bei1]

少

shǎo

few