hot blood;  warm blood;  zeal;  fervor;  fervour
 competition;  contest;  rivalry;  competition (between organisms or species)
 abrupt;  sudden;  unexpected
 another person;  other people;  unrelated person (i.e. not related by blood);  outsider;  stranger
 to be bewildered;  to be perplexed
 existing (at the present moment);  alright;  acceptable;  to be (usu. of inanimate objects);  to have
 to go by;  to go past;  to run (between; of a rail service, bus route, etc.);  to operate (between);  to go indoors;  to go into a room;  to penetrate
 breath;  breathing;  tone;  mood
 to get used to;  to grow accustomed to;  to become skilled in;  to become experienced at;  to become tame;  to become domesticated
 after all;  because;  but;  even;  too;  as well
 still;  much more;  (not) yet;  still a long way to go;  still a long way off;  not there yet
 to play (games, sports);  to enjoy oneself;  to mess about (with alcohol, gambling, philandery, etc.);  to be idle;  to do nothing;  to meet up (with friends);  to hang out
 as many as one likes;  as much as one likes;  great many;  plenty;  almost (none);  (not) much
 next generation;  future generation
 chance;  opportunity;  machine;  aircraft;  counter for aircraft;  counter for (remaining) lives
 extravagant;  absurd;  unbelievable;  enormous;  tremendous;  extraordinary
 indicates concession or compromise;  indicates permission
 transplanting (a plant);  transplant;  transplantation (of an organ, tissue, etc.);  transplant;  embryo transfer;  embryo transplant
 anyhow;  at any rate;  anyway;  somehow or other;  generally speaking;  in any case
 terrible;  dreadful;  amazing (e.g. of strength);  great (e.g. of skills);  to a great extent;  vast (in numbers)
 home video game console;  home console
 to receive;  to take;  to get somebody to do something;  to have in one's pocket (a fight, match);  to contract (a disease);  to catch
 poor;  pitiful;  piteous;  pitiable
 to think;  to consider;  to think (of doing);  to plan (to do);  to judge;  to assess;  to imagine
 when;  how soon;  how long until
 formal;  strict;  ceremonious;  stiff
 discipline;  training;  teaching manners
 fellow;  guy;  thing;  object;  he;  she
 to end;  to come to an end;  to close;  to finish
 such (about the actions of the listener, or about ideas expressed or understood by the listener);  like that;  that sort of
 unless one ...;  if one does not ...
 constraint;  reserve;  feeling hesitant;  being afraid of troubling someone
 nonexistent;  not being (there);  unowned;  not had;  unique;  not;  impossible
 to be able (in a position) to do;  to be up to the task;  to be ready;  to be completed;  to be made;  to be built;  to be good at
 instant;  moment;  for an instant
 somewhere;  anywhere;  in some respects
 opposite direction;  reverse;  retrorse
 to forget;  to leave carelessly;  to be forgetful of;  to forget about;  to forget (an article)
 from now on;  after this;  in the future;  from here;  from this point
 morning;  breakfast; (arch.)  next morning