The most complex sentences to pronounce in English

As in many languages, English has words and sentences that are sometimes difficult to pronounce, especially if you are not used to speaking it.
Well yes, in English, there are not only difficult words, far from it. There are also many complex phrases to pronounce in English , which gives this foreign language a much less formal character and much more fun. Language learning is a very beautiful thing, and a polyglot or a language stay makes us appreciate its true value even more. It only remains to take classes to reach bilingualism!
Thus, English has terms that are simply difficult for us to pronounce. Words like  squirrel, colonel, although  or hierarchy , which makes us realize that language learning also involves learning accent and pronunciation  from a beginner level.
The same goes for some phrases, which seem simple to write, but  are very difficult when it comes to pronouncing them:
Six sick slick slim sycamore saplings,
A box of biscuits, a batch of mixed biscuits,
Peter Piper picked a peck of pickled peppers.
Did Peter Piper pick a peck of pickled peppers?
If Peter Piper picked a peck of pickled peppers,
where’s the peck of pickled peppers Peter Piper picked.
There are many sentences and little poems with which you can practice to  improve as much as possible , learn to pronounce correctly and, why not, become bilingual. The most complex sentences to pronounce in English