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それ， 其れ
1. that, it
2. then, that point (in time), that time
3. there
4. you
tbd
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すなわち， 即ち， 則ち， 乃ち
1. that is (to say), namely, i.e.
2. precisely, exactly, just, nothing but, neither more nor less
3. (and) then
也就是说，即；正是、恰好、就是、刚好；那么
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
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
