んです => Because, by… N4
Situations and Experiences
そこで => Considering the situation A, B N2
Considering, Concerning
それでも => Even though A, B N2
Contrast,Surprise
[尊敬語「そんけいご」] => Respectful form of A N4
Honorifics
いかんでは,いかんによっては => Considering A, depending on A N1
Based/focused/depending on
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
でなくてなんだろう => It's definitely A (and not something else) N1
Information, Report
ばそれまでだ => If A happens, it's over (nothing will be of use) N1
Conditional, While
それはそうと => By the way N2
Miscellaneous
に[沿「そ」]って/に[沿「そ」]い/に[沿「そ」]う/に[沿「そ」]った => Along with A; In line with A N2
Based, Focused, Depending on
に[反「はん」]して/に[反「はん」]し/に[反「はん」]する/に[反「はん」]した => In contrast to A N2
Contrast,Surprise
そうにない => N2
Potential, Possibility