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ここ， 此処， 此所， 是， 茲， 爰
1. here, this place
2. this point, here, now
3. these past ... (e.g. three years), these last ...
4. the next ... (e.g. few days), these next ...
这，这儿，这里；此刻，此处，当下；过去的……(例如三年)，最近的……；接下来……(例如几天内)，这些接下来的……
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
