[禁止「きんし」] => Don't do N4
Can, Should, Must
…のも無理 (は) ない => It's natural for... N3
Evaluate
禁止形 => Negative imperative form N4
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
~いかんだ / いかんで、~ /  ~いかんによって、~ => It depends ... N1
Related, corresponding
[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
事と次第によって => Depending on the progress of the situation N2
How to say the beginning
いぜん => ago, since N4
Relationship before and after
.... はんいで => In scope N2
Scope
なんとかいう => someone N3
Speaking
...たいんですが => want N4
How to say the beginning
... いぜん => Before talking about... (Stage) N4
Criticize