mans Idiom

---

one-upmanship

ability to keep ahead of others, trying to keep an advantage I get tired of his one-upmanship and his desire to always be better than everyone else.

---

when in Rome, do as the Romans do

when you are a visitor do the same things as your hosts do "When I visit an Asian country, I learn the customs, and do as the ""Romans"" do."

---

When in Rome, do as the Romans do.

You should adopt the customs of the people or country you are visiting, and behave in the same way.

---

one-upmanship|one|upmanship

v., informal Always keeping ahead of others; trying to keep an advantage. No matter what I do, I find that Jim has already done it better. He's an expert at one-upmanship. Jack took the news to the principal while we were still talking about it. He's very quick to practice one-upmanship.
Compare: ONE UP. (The word one-upmanship was made up by a British humorist, Stephen Potter, on the pattern of such words as sportsmanship and workmanship.)

---

when in Rome do as the Romans do

when in Rome do as the Romans do
Follow local custom, as in Kate said they'd all be wearing shorts or blue jeans to the outdoor wedding, so when in Rome—we'll do the same. This advice allegedly was Saint Ambrose's answer to Saint Augustine when asked whether they should fast on Saturday as Romans did, or not, as in Milan. It appeared in English by about 1530 and remains so well known that it is often shortened, as in the example.