てしまう => Did something N4
Secondary Verb
くせして => Even though A N2
Contrast,Surprise
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
てさしあげる => Do for N4
Give and take advice
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
もし~としても => Even if A... (chances of A are pretty low) N3
Not only, Not even
したがって => Because of A, B N2
Reason, Result, Response
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing
として => As A; From the standpoint of A N3
Considering, Concerning
[関「かん」]して => About A, With relation to A N3
Considering, Concerning
にしては => For A, even though A, considering A N3
Considering, Concerning
し(~し) => and ... N4
Cause and Effect