perfidny skąpy in inglese:

He is mean.

If you raise an eyebrow, it can mean "I want to have sex with you", but also "I find that what you just said is completely idiotic."

When my doctor told me to eat more vegetables, he didn't mean French fries.

The plants' mean height was 10,3 centimetres but some of them were as high as 15 centimetres.

He’s not very nice. He can be quite mean.

I mean it's just another manifestation of internet addiction really.

They don't use 'celeb' to mean 'rich man' over there. By which I determine that you are Japanese.

Although it's "Mac OS X", that doesn't mean that the Mac OS code itself has been upgraded to a new version.

The Waterfront's success could mean that other cities soon follow, creating areas that offer people a new kind of city living, with all the benefits and none of the stress, noise and pollution of crowded centres.

Did you know that when you say "America", it can mean the USA or the continent of both Americas?

It's written abazure (bitch). Surely this must mean a slut?

What do we mean by "global optimization"? It's kind of like if I gave you a pair of binoculars and told you to find me the highest mountain in the world, using only your eyes.

Being "really busy" does not mean running around and acting like you don't have time for anyone or anything.

In particular, it is customary for actual examples of use of the harmonic mean to generally cover "average speed," and explain no further than that.