なしに => Without A, without doing A N1
Conditional, While
ことなしには => Without doing A, B N1
Conditional, While
ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation
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
ともなく,ともなしに => Doing A without thinking about it/intending to; To do A mindlessly N1
Will, Decision, Doing
にしたら => From A's perspective, N2
Considering, Concerning
もしも~なら => If A... N3
Conditional, While
もし~たなら => If A … N3
Conditional, While
[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
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing