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
 Alan (member of an ancient Scythian people)
 together with;  as X, then Y (e.g. as we age we gain wisdom, as wine matures it becomes more valuable, etc.)
 the world;  society;  sphere;  circle;  world-renowned;  world-famous
 truth;  reality;  sincerity;  honesty; (arch.)  that's right
 (one's) older brother;  young man;  sonny;  lad
 assistance;  help;  aid;  support;  reinforcement
 to go;  to move (in a direction or towards a specific location);  to proceed;  to take place;  to pass through;  to come and go;  to walk
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 father (esp. used in samurai families prior to the Meiji period)
 father;  dad;  husband;  you;  he
 adds force or indicates command
 too;  also;  both A and B;  A as well as B;  even;  as much as
 elimination;  erasure;  clearing;  elimination (of variables)
 to do;  to undertake;  to send;  to dispatch;  to put;  to move;  to give (esp. to someone of equal or lower status)
 tightly (holding on);  firmly;  strongly (built);  solidly;  properly;  well
 everyone;  everybody;  all;  everything;  all
 metamorphosis;  disguise;  transformation;  shapeshifting;  morphing
 great swordsman;  master fencer
 discovery;  detection;  finding
 warrior (esp. of military retainers of daimyos in the Edo period);  samurai