99% of people don't know how to calculate the pressure loss due to turbulent flow through a long pipe either but they can look it up

the nice thing about languages with a relatively small inventory of phonemes is that getting pronunciations wrong is kind of hard

at worst you just sound like you have a weird accent

it's not like french or portuguese or chinese or ...

probably if i sound ridiculous to you it's because you're so out of your depth in the conversation you don't even know what knowledge you're missing, just like when i corrected you in https://news.ycombinator.com/item?id=33753071

you would probably find it more to your advantage to try to learn the relevant things you don't know than to attempt to ridicule other people for knowing them