次第で/次第だ/次第では => Depending on, So N2
次第 => as soon as ~ N2
次第だ => depending on; so ~ N2
[次第「じだい」]だ => It depends on A N2
Based, Focused, Depending on
[次第「じだい」]では => Depending on A, B may change N2
Based, Focused, Depending on
事と次第によって => Depending on the progress of the situation N2
How to say the beginning
...なりなんなり... => any,anything,whatever N1
Vague
...なり...なり => [A] or [B] or~ N1
Selection
なり~なり => A or B N1
Lists, examples
ひとり ... だけでなく => not only…, not just… N2
Add
ばかりでなく => not only.. but also; as well as ~ N3
昼となく夜となく => day and night N1
Continuous