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

By our informal count, however, we and the Afghan commandoes we work with were stopped on 70 percent of our attempts because we could not achieve the requisite 11 approvals in time.

粗略估算了一下，与我们一道工作的阿富汗突击队,有70%的尝试都失败了,因为我们不能按时拿到所需的11个批准。

普林斯顿公开课 - 国际座谈会课程节选