一度に => all at once N3
に[難「むずか」]くない => It's not hard to A N1
Adjectival, Descriptions
といったところだ => Display an amount/level/degree A (程度) N1
Degree/ Level/Amount
~しいしい => Every once in a while... (Repeat situation) N1
Repetition, habit
らしい => It looks like N3
Situation
いたします => to do (polite form of します) N4
てもよろしいでしょうか => May I... N4
Allow
いつしか => before one knows N2
Accept, agree
しか~ない => only; nothing but N4
だけしか~ない => only N3
たいして…ない => ~is not much of~ N3
Emphasis on degree
いかにも…らしい => indeed; really; truly N3
Accept, agree