what's the best thing to do?;  what to do?
 to understand;  to comprehend;  to become clear;  to be known;  I know!;  I think so too!
 terrible;  dreadful;  amazing (e.g. of strength);  great (e.g. of skills);  to a great extent;  vast (in numbers)
 wrong;  not good;  hopeless;  past hope;  must not do
 to feel (as if);  to have a feeling (that);  to have a hunch (that);  to feel like doing;  to want to do
 skillful;  skilful;  delicious;  appetizing;  fortunate;  splendid
 myself;  yourself;  I;  me;  you
 to;  for;  from the standpoint of;  as far as ... is concerned
 number one;  first;  best;  most;  game;  round
 to throw away;  to cast away;  to abandon;  to desert;  to give up;  to resign
 called;  named;  as many as;  as much as;  all ...;  every single ...
 certainly;  of course;  even if;  no matter (who, what, when, where, why, how);  without even;  without so much as;  at the (least, earliest, etc.)
 to take;  to pick up;  to pass;  to hand;  to get;  to obtain;  to adopt (a method, proposal, etc.)
 (some) more;  even more;  longer;  further
 to differ (from);  to vary;  to not be in the usual condition;  to not match the correct (answer, etc.);  to be different from promised;  isn't it?
 space (between);  gap;  period of time (during, while);  duration;  between (two parties or things);  among (a group);  relations (between)
 that;  the;  part (as in "part two");  um ...;  er ...
 figure;  form;  appearance;  dress;  state;  condition
 and;  and then;  thus;  and now;  and finally
 until (a time);  till;  to (a place or person);  as far as;  to (an extent);  up to
 there;  over there;  genitals;  private parts;  that far;  that much
 himself;  yourself;  herself
 to decide;  to choose;  to clinch (a victory);  to decide (the outcome of a match);  to persist in doing;  to go through with;  to always do
 to make a decision;  to draw a conclusion;  to give a judgement;  to hand down a verdict;  to let go down;  to lower;  to do oneself
 third month of the lunar calendar;  Yayoi period (ca. 300 BCE-300 CE);  Yayoi culture
 to turn back (e.g. half-way);  to return;  to go back;  to recover (e.g. something lost);  to be returned;  to rebound
 may;  might;  perhaps;  may be;  possibly
 by myself;  in person;  by oneself
 seems;  I think;  I guess;  don't you agree?;  I thought you'd say that!
 father;  dad;  husband;  you;  he
 look!;  there!;  here!;  that is
 very;  extremely;  excessively
 important;  serious;  valuable;  precious;  serious matter;  major incident
 for;  for the sake of;  to one's advantage;  because of;  as a result of
 to disappear;  to vanish;  to go out (of a fire, light, etc.);  to die;  to fade (of a feeling, impression, etc.);  to vanish (e.g. of hope);  to go away (e.g. of a smell, itchiness, sleepiness)
 disagreeable;  detestable;  unpleasant;  reluctant
 together;  at the same time;  same;  identical
 sure;  certain;  reliable;  trustworthy;  If I'm not mistaken;  If I remember correctly