above ground;  on the ground;  earth's surface;  this world;  this earth
 dwelling;  house;  residence;  den;  habitat
 calamity;  disaster;  accident
 war;  fighting;  fierce competition
 by means of;  due to;  because of;  according to
 country;  state;  region;  national government;  central government;  home (i.e. hometown, home country); (arch.)  province (of Japan)
 demolition;  taking down;  dissolution (of an organization, company, etc.);  breaking up;  dissection (of a body);  dismemberment
 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.)
 citizen;  resident;  person;  user (of a website, esp. as a collective, e.g. Twittersphere)
 century;  hundred years; (fig.) a long time
 too;  also;  both A and B;  A as well as B;  even;  as much as
 underground;  below the ground;  world of the dead;  the grave;  underground (activities, movement, etc.);  secret
 town;  city;  municipal;  urban
 popular name;  common name;  nickname;  alias
 metro;  subway;  underground railway
 to hide;  to be hidden;  to conceal oneself;  to disappear
 to finish;  to stop;  to close (a business, etc.);  to close down;  to put away;  to put back
 now;  the present time;  just now;  another;  more
 such things as ...;  and ... and;  the minute (that) ...;  no sooner than ...;  be;  is;  o
 below;  down;  bottom;  beneath;  underneath;  just after;  right after
 to rumble;  to thunder;  to roll about (people, large objects);  to wander about without a fixed workplace, home, etc.;  to hang around;  to loiter
 various;  a variety of;  all kinds of;  many;  diverse
 interest;  rights;  concession
 to knock (ideas) against each other;  to present competing ideas;  to have a lively exchange of ideas;  to smash together;  to crash into each other;  to throw at each other
 day and night;  around the clock;  always;  constantly
 to compete ruthlessly; (lit.) to sharpen swords
 distinction;  difference;  separate;  different;  exception;  exclusion
 skillful;  skilful;  delicious;  appetizing;  fortunate;  splendid
 cooked rice;  meal;  food;  one's living;  livelihood
 quarrel;  brawl;  fight;  squabble;  scuffle;  argument
 to be needed;  to be wanted
 in the first place;  to begin with;  after all;  anyway;  beginning;  start
 to break;  to destroy;  to wreck;  to ruin;  to break (a bill, etc.)
 yes;  yeah;  huh?;  what?;  not;  's
 is not;  am not;  are not;  isn't it?