どんなに…だろう(か) => how…!; what…! N3
Emphasis on degree
どうにかする => find a way to N2
Conditions (sufficient conditions)
どうにかなる => somehow manage do something about N2
Evaluate
かどうか => whether or not ~ N4
どうにか => in some way or other; one way or another N2
Happens next
かのようだ/かのように/かのような => as if; just like ~ N2
どこか => somewhere N5
Doubt
どうせ ... いじょう/どうせ ... からには => anyhow; in any case; at any rate; after all; no matter what N3
Necessity, obligation
どうせ (のこと) だから => Because eventually have to ... N3
Invite and advise
いかのように => As below N4
Description
いかにも…そうだ => Looks truly... N3
Accept, agree
か~ないかのうちに => right after; as soon as N2