しづらい=〜する+辛い(つらい)
ex: うごきづらい→うごく+つらい
こたえづらい→こたえる+つらい
In English, you can say "it's hard to do it", " hard to move" and "hard to answer". (using "difficult" is also okay.)
Sentence +か?= interrogative sentence. Therefore, しづらいですか?would be "is it hard to do it?".