indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 sky;  air;  ether;  firmament;  the heavens
 indicates possessive;  nominalizes verbs and adjectives;  substitutes for "ga" in subordinate phrases;  (at sentence-end, falling tone) indicates a confident conclusion;  (at sentence-end) indicates emotional emphasis;  (at sentence-end, rising tone) indicates question
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to attack;  to assail;  to succeed (someone in a post, role, etc.);  to make a sudden visit
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 eye;  eyeball;  eyesight;  sight;  look;  stare;  notice
 demon;  devil;  evil spirit;  -crazed person;  -obsessed person;  fiend
 to throw down;  to bring down;  to kill;  to defeat;  to overthrow;  to trip up
 to revive;  to come to oneself;  to be restored to life
 good;  advantage;  sake;  purpose;  consequence;  result
 Kamen Rider (TV series, the titular character)
 hero;  heroine;  Eroica Symphony (Beethoven, 1804);  Heroic Polonaise (Chopin)
 indicates direct object of action;  indicates subject of causative expression;  indicates an area traversed;  indicates time (period) over which action takes place;  indicates point of departure or separation of action;  indicates object of desire, like, hate, etc.
 to collect;  to assemble;  to gather
 (police) detective;  criminal matter
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 senior high school student
 daughter;  girl (i.e. a young, unmarried woman)
 mind;  heart;  spirit;  the meaning of a phrase (riddle, etc.)
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to change places;  to relieve one another;  to replace someone
 to finish;  to stop;  to close (a business, etc.);  to close down;  to put away;  to put back
 event;  affair;  incident;  case;  plot;  trouble
 to leave (behind);  to leave (undone);  to not finish;  to save;  to set aside;  to leave (to someone, esp. after one's death)
 time;  hour;  period;  class
 behind;  rear;  after;  later;  remainder;  the rest;  more (e.g. five more minutes)
 twentieth day of the month;  twenty days
 information;  news;  intelligence;  information;  data contained in characters, signals, code, etc.
 to let leak;  to let out (e.g. light);  to let out (a secret);  to leak (information);  to give utterance to (e.g. one's dissatisfaction);  to vent;  to wet one's pants
 offender;  criminal;  culprit
 as expected;  sure enough;  after all (is said and done);  in the end;  too;  also
 you;  presence (of a god, nobleman, etc.)
 endorsing and questioning the preceding statement;  lamenting reflections on the preceding statement
 to do;  to carry out;  to cause to become;  to make (into);  to serve as;  to act as;  to wear (clothes, a facial expression, etc.)
 very interesting;  of great interest