Here's why the saying is ironic:
* Many exceptions to rules: English has numerous exceptions to its grammatical rules, making it difficult to learn and master.
* Multiple meanings of words: Many words have multiple meanings, making it challenging to understand the context.
* Borrowed words: English has borrowed words from various languages, creating a diverse vocabulary that can be confusing for learners.
* Phrasal verbs: The combinations of verbs and prepositions (phrasal verbs) can be particularly difficult for non-native speakers.
So, while the saying "English is easy" is often used humorously, it's actually a testament to the language's complex nature.