sì céng xiāng shí
déjà vu (the experience of seeing exactly the same situation a second time)
seemingly familiar
apparently already acquainted
xiāng shí
to get to know each other
acquaintance
sù bù xiāng shí
to be total strangers (idiom)
bù dǎ bù xiāng shí
lit. don't fight, won't make friends (idiom); an exchange of blows may lead to friendship
no discord, no concord
bù dǎ bù chéng xiāng shí
don't fight, won't make friends (idiom); an exchange of blows may lead to friendship