to;  for;  in order to;  for;  as for;  regarding
 truth;  reality;  proper;  right;  genuine;  authentic
 to go;  to come;  to be defeated;  to collapse;  to be annoyed;  to be nonplussed
 indicates emotion or admiration;  indicates emphasis;  I;  me;  wah!;  boo!
 investigation;  examination;  inquiry;  enquiry;  survey
 be;  is;  did;  (have) done;  please;  do
 and the like;  such as;  or something;  something like;  I hear that ...;  people say that...
 to say;  to utter;  to name;  to call;  to go (e.g. "the alarm went ping");  to make a noise
 teacher;  instructor;  sensei;  title or form of address for a teacher, master, doctor, lawyer, etc.;  intimate or teasing form of address; (arch.)  one's elder
 pluralizing suffix (esp. for people and animals; formerly honorific)
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 going to and fro;  back and forth
 thanks to ...;  owing to ...;  because of ...
 this way;  this direction;  here;  this (one);  I;  me
 work;  operation;  manufacturing;  fatigue duty
 indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 to try to ...;  to be about to do ...;  to decide to ...;  to take as;  to treat as;  to use for;  to suppose that (such) is the case
 to advance;  to go forward;  to precede;  to go ahead (of);  to make progress;  to improve;  to deepen
 why?;  what for?;  how?;  by what means?
 to stop up;  to close up;  to stand in the way;  to obstruct;  to occupy;  to fill up
 to finish;  to stop;  to close (a business, etc.);  to close down;  to put away;  to put back
 the expectation is that ...;  the reason is that ...;  the fact is that ...;  the explanation is that ...;  it is that ...
 ah!;  oh!;  yes;  indeed;  aah;  gah
 not yet known;  unknown;  strange
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 underground space;  subterranean space;  subterranea
 wonder;  miracle;  amazement;  prodigy
 large;  big;  great;  prominent;  -sized;  as big as;  university
 underground;  below the ground;  world of the dead;  the grave;  underground (activities, movement, etc.);  secret
 mystery;  mysteriousness;  secret
 oasis;  OASYS (Fujitsu WP system)
 what;  how many;  many;  a lot of;  several;  a few
 that;  it;  then;  that point (in time); (arch.)  there; (arch.)  you
 to turn misfortune into fortune (esp. through one's own efforts);  to turn the potential disaster to one's advantage
 just (e.g. "just wait here");  come now;  tolerably;  passably;  well...;  I think...
 fast;  quick;  early (in the day, etc.);  premature;  (too) soon;  not yet
 talk;  speech;  topic;  subject;  discussions;  negotiation;  rumor
 company;  corporation;  workplace
 limestone cave;  limestone cavern
 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.)
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 abdomen;  belly;  womb;  one's mind;  one's real intentions;  courage;  nerve
 that's the way it is;  yes;  is that so?;  is it?