Keep conversation professional at all times by using polite language. (creativeboom.com)
There's no way to express just how awful that app is while still couching your annoyance in polite language. (studiotendra.com)
A further danger lies in these bad translations, because, to judge by the comments, many if not most of the readers of this blog do not live in Paris (or France), but simply visit, and so could be misled into believing that «tant pis» is not polite language. (davidlebovitz.com)