一口に…といっても => Although in general... N2
Evaluate
なければならない/なくてはならない/なければいけない/なくてはいけない/なければだめ/なくてはだめ => must N5
ときているから/ときているので => because of ~ N1
ていけない => Suddenly... N3
Simultaneously
向け/向き => to be suitable for N2
のが好き/のが嫌い => Like (doing something)/Hate (doing something) N4
... だけの ... => have enough to... N2
Emphasis on degree
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
だけしか~ない => only N3
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
~ないといけない      => must do; have an obligation to do ~ N5
Obligatory
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount