Actually, I, as a native Polish speaker have a hard time learning English pronunciation because the phonems are much different from the ones I am used to. Languages like Spanish and Italian are much easier for us, because all the basic sounds are quite similar, no challenge here. Also, Polish have pretty rich grammar, with all those declension and conjugation rules that are also present in Spanish. It makes it easier to learn the language because at least you have a firm grasp of the concept, even if the details (like the actual suffixes used) are different.