They all tutoyer each other, even if they hate each other's politics, and they call each other by the informal name.

人们表面亲热,即使他们与对方的政见相对立,他们用非正式的名字称呼对方

耶鲁公开课 - 1871年后的法国课程节选

Mayor Koch later wrote in "Politics" volume two of his informal autobiography that Ms. Heimel's article, which featured comments by his father, a retired furrier, that stereotyped entire categories of the city's population, could have sunk the campaign if it had come out before the election.

WSJ: Ed Koch: A Mayor and His City

Post New Labour MPs are keen to avoid refighting Blair-Brown era factional battles, but it turns out that small groups of members from the new intake - about six or seven at a time - have been meeting Mr Tony for informal and very off-the-record chat-ettes about politics and strategy.

BBC: Breakfast at Tony's