to;  for;  from the standpoint of;  as far as ... is concerned
 indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 whole life;  a lifetime;  all through life;  (the only, the greatest, etc.) of one's life
 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
 very;  awfully;  exceedingly;  (not) at all;  by no means;  simply (cannot)
 important;  serious;  valuable;  precious;  serious matter;  major incident
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 it is assuredly that ...;  can say with confidence that ...
 myself;  yourself;  I;  me;  you
 face;  visage;  look;  expression;  honor;  honour
 too;  also;  both A and B;  A as well as B;  even;  as much as
 to forget;  to leave carelessly;  to be forgetful of;  to forget about;  to forget (an article)
 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 ...
 adds force or indicates command
 medicine manufacture;  drug manufacture
 right?;  isn't it?;  hey;  say;  you know;  you see;  will you?
 here;  this place;  this point;  here;  these past ... (e.g. three years);  these last ...
 what;  how many;  many;  a lot of;  several;  a few
 interrogative sentence-ending particle expressing doubt
 human experiment;  human experimentation;  experiment on a living person
 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.)
 is not;  am not;  are not;  isn't it?
 as many as one likes;  as much as one likes;  great many;  plenty;  almost (none);  (not) much
 to use (a thing, method, etc.);  to make use of;  to use (a person, animal, puppet, etc.);  to employ;  to use (time, money, etc.);  to spend
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 hey;  you;  hey;  hey;  hold on;  yo
 now;  the present time;  just now;  another;  more
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 eternity;  perpetuity;  permanence;  immortality
 what!;  oh;  what the heck;  what the;  damn
 everyone;  everybody;  all;  everything;  all
 spurious article;  forgery;  counterfeit;  imitation;  sham
 society;  the world;  the times
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 to overflow;  to brim over;  to flood