[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
めったにない => Rarely N3
Degree. Level, Amount
ところだった => About to… N3
Will, Decision, Doing
と[相「あい」]まって => Along with A N1
Lists, examples
したがって => Because of A, B N2
Reason, Result, Response
といったらない/といったらありはしない => Extremely A, Very A, A beyond description N1
Degree/ Level/Amount
にわたって/にわたり => Over the course of A (continuous action), Throughout A N2
Time, Situation
といえば/というと/といったら => N3
Considering, Concerning
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
に[至「いた」]るまで => Up until A; as far as A N1
Degree/ Level/Amount
にあたって/にあたり => At the time of A (which starts now).., on the occasion of A N2
Time, Situation