it is difficult for sb to do sth
fixed phr..fixed phr.. You use this pattern to say that an action is not easy for a specific person.
fixed phr.. A syntactic construction (it-extraposition) used to comment on the difficulty of an action for a specific agent, following the pattern `it + be + adjective + for + noun + to-infinitive`.
It is difficult for him to see.
It is difficult for many people to save money with today's high prices.
While theoretically possible, it is difficult for a single researcher to challenge a paradigm that has dominated the field for decades.
This pattern works with other adjectives like 'easy', 'important', or 'impossible'.
Teach this as a chunk, 'it is ADJECTIVE for someone to do something', and drill it by substituting different adjectives and verbs.
It is difficult for me learning English.It is difficult for me to learn English.After the 'for [person]' part, you must use the 'to + verb' infinitive form, not the '-ing' form.