particle indicating that the speaker is trying to recall some information
 I wonder;  should I?;  is it?;  I wish that;  I hope that
 in front (of);  before (e.g. a building);  before;  earlier;  (the) front;  frontal part;  forward
 absolutely;  unconditionally;  never (with neg. verb)
 to understand;  to comprehend;  to become clear;  to be known;  I know!;  I think so too!
 (compulsory) retirement (e.g. on reaching the age of 65);  mandatory retirement;  reaching retirement age
 office worker;  company employee;  company man;  salaryman (stereotypical Japanese office worker)
 called;  named;  as many as;  as much as;  all ...;  every single ...
 title (e.g. Doctor, Professor, Lord);  job title;  position (in a company);  degree;  status;  rank
 too;  also;  both A and B;  A as well as B;  even;  as much as
 company;  corporation;  workplace
 backing;  support;  backer;  shield that protects one's back
 to be lost (e.g. luggage);  to be missing;  to be used up;  to be run out;  to disappear (e.g. pain);  to be lost (e.g. a dream, confidence)
 one person;  being alone;  being by oneself;  being single;  being unmarried;  by oneself
(arch.)  the art of war; (arch.)  martial arts;  military force;  the sword;  valor;  bravery
 and;  besides;  because;  since;  the thing is;  for one thing
 story;  tale;  narrative;  account;  fable;  legend
 commonplace (of people or animals);  ordinary;  typical;  ubiquitous;  run-of-the-mill;  found around every corner
 force;  strength;  capability;  ability;  efficacy;  effect;  effort
 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 borrow;  to have a loan;  to rent;  to hire
 old man;  venerable gentleman;  venerable;  old;  father
 song;  singing;  classical Japanese poem (esp. tanka);  modern poetry
 a long time (since the last time);  first in a long time
 be;  is;  did;  (have) done;  please;  do
 to grow up;  to become an adult;  to become big;  to grow in size
 now;  soon;  already;  yet;  further;  more
 another (person);  the other person;  one more (person)
 today;  this day;  these days;  recently;  nowadays
 to give;  to let (one) have;  to give;  to do for one;  to take the trouble to do;  to do to someone's disadvantage
 to think;  to consider;  to think (of doing);  to plan (to do);  to judge;  to assess;  to imagine
 to do;  to undertake;  to send;  to dispatch;  to put;  to move;  to give (esp. to someone of equal or lower status)
 to become less crowded;  to thin out;  to get empty;  to be hungry
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 this way;  this direction;  here;  this (one);  I;  me
 fast;  quick;  early (in the day, etc.);  premature;  (too) soon;  not yet
 good;  excellent;  fine;  nice;  pleasant;  agreeable
 favourable;  favorable;  doing well;  OK;  all right
 here;  this place;  this point;  here;  these past ... (e.g. three years);  these last ...
 to arrive (at one's destination);  to reach;  to come to a head;  to reach a conclusion;  to culminate (in)