過去形 => Past form N5
Conjugate verbs
に過ぎない => no more than; just; merely; only ~ N2
~といっても言い過ぎではない => it is no exaggeration to say; it is not too much to say N1
Position, perspective
いい => (Refuse) enough N3
Refuse
ないといい => Not doing...it's better N4
Aspiration
いっさいない => Not at all N2
Emphasize negative meaning
いない => Inside, within... N3
Scope
いちがいに…ない => Impossible... in general N2
Description
といいなあ/たらいいなあ/ばいいなあ => it would be nice if; should; I hope ~ N3
~といい~といい      => both ... and; not only ... also; whether it be ... or ~ N1
… がいい ... => ... I hope that ... N3
Expected
もういい => That's enough... N4
Refuse