一体 => …the heck; …in the world; …on earth N3
全然~ない => (not) at all N4
一緒に => together N5
も同然 => just like; same as ~ N2
一口に…といっても => Although in general... N2
Evaluate
一度に => all at once N3
一通り => Basically, (get) over, done N2
Base, base
一方だ => more and more; continue to ~ N2
~と(も)なると/と(も)なれば => ~Just, whenever, once N1
Condition (hypothetical condition)
いぜん (依然) => still, as yet, as it has been N3
Invariant
ともなると => When/once something happens N1
Reach level
...かとなると => When it comes to... N3
Story topic