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どうしても， 如何しても
1. by all means, at any cost, no matter what, at any rate, surely
2. whether (one is) willing or not, willingly or unwillingly, willy-nilly
3. on no account, by no means
4. in the end, in the long run, after all, eventually
tbd
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
tbd