Translation:There are many difficult languages in Asia.
It's not really true when you take all factors into account. Here's how I see it as a native English speaker: Japanese definitely has easier grammar than Russian, but Russian grammar has at least some similarities with English while Japanese has none at all. Were it just a case of speaking and understanding the spoken languages, I think Japanese/Chinese might be both a little easier than Russian, however the alphabets of these two languages, especially Japanese, are many times more complicated than the Russian one. Reading in Russian is really not that difficult - you don't need to know the cases and genders in order to understand it, but you need to memorise thousands of Kanji in order to read Japanese well.
So this begs the question: How are you supposed to progress past the intermediate stage in a language if you can't read it well? The answer is that you can't unless you live in the country or have a private tutor (or maybe patient partner) that can teach you consistently over several years, which is obviously impossible for most people. So anyone saying that Japanese/Chinese are easier than Russian, either lives there, has a private tutor that focuses only on speaking skills, or is simply not ambitious enough to progress past the intermediate stage in these languages.
Tru dat. For me, Russian grammar is very similar to other European grammars - gendered nouns which decline, verbs which conjugate, adjectives agreeing in gender and number with their nouns... Non-European grammars, eg Māori (not Asian, but close) are a completely different system, which I find difficult
I had understood that the word трудный was used for emotionally difficult things e.g. трудная ситуация (a difficult situation). On the other hand, when talking about technically difficult things, like a puzzle or a language, the proper word to use would be сложный. Could someone please confirm this?
With "the", this sounds like you're talking about some specific list of languages that you're looking at. "There are" generally emphasises existence of a collection of things, rather than their location, so it's best to avoid using them together unless you know what you're doing.
"A lot of the difficult languages are in Asia" sounds better, but the meaning does not feel quite the same.