~あるまじき => ~ Unacceptable, not allowed N1
Ban
たいへんだ => It is hard, serious N4
Evaluate
たいへん => very; greatly; terribly; serious; difficult N4
Evaluate
たいへんな... => very; greatly; terribly; serious; difficult N4
Evaluate
じゃありません => not to be N5
Emphasize negative meaning
あまりに(も)~と / あんまりに(も)~と => too much; so much… that; excessively ~ N3
Extreme level
~むきがある(~向きがある)     => There is a tendency N1
なんてあんまりだ => If it like that, it is too much… N3
Extreme level
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
へた => Bad at... N5
Evaluate
へたに => Careless N2
Confirm
じゃありませんでした => was not, were not N5
Emphasize negative meaning