ごうにいってはごうにしたがえ

郷に入っては郷に従え

when in Rome, do as the Romans do

N3Expression
Expression
when in Rome, do as the Romans do

Example Sentences

いえ、お()になさらず。郷に入っては郷に従えと学んできました。

No, please don't concern yourself. I have learnt to do as the Romans when in Rome.