dào​shén​me​shān​shàng​chàng​shén​me​gē

when in Rome, do as the Romans do

到什么山上,唱什么歌 到什麼山上,唱什麼歌 dào​shén​me​shān​shàng​chàng​shén​me​gē
when in Rome, do as the Romans do
(idiom) Lit. whatever mountain one is on, one should sing its songs; meaning one should adapt to the local customs or situation