don't let your guard down;  carelessness is the great enemy;  danger comes soonest when it is despised
 but;  however;  even;  however;  no matter how;  ... or something;  either ... or ...
 after that;  afterwards;  thereafter
 employee (of a store);  shop assistant;  clerk;  salesperson
 Mr.;  Mrs.;  Miss;  politeness marker
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 gift;  premium;  prize (lottery drawing, pachinko, etc.);  party favor (favour)
 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 remove;  to take off;  to drop (e.g. from a team);  to remove (from a position);  to leave (e.g. one's seat);  to go away from
 to give;  to let (one) have;  to give;  to do for one;  to take the trouble to do;  to do to someone's disadvantage
 safety;  security;  safely;  without incident;  good health;  inaction
 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
 the expectation is that ...;  the reason is that ...;  the fact is that ...;  the explanation is that ...;  it is that ...
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 too;  also;  both A and B;  A as well as B;  even;  as much as
 enjoyment;  pleasure;  diversion;  amusement;  hobby
 at (place, time);  in;  to (direction, state);  toward;  for (purpose);  because of (reason);  for
 resuscitation;  regeneration;  reformation;  rehabilitation;  playback;  regeneration (sound, etc.)
 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
 ageing;  aging;  senile deterioration
 by means of;  due to;  because of;  according to
 to become weak;  to decline;  to wear;  to abate;  to decay;  to wither
 heart;  guts;  nerve;  central part
 to be rejuvenated;  to feel young again
 method of treatment;  cure;  remedy
 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
 medical care;  medical treatment
 head (chief, director) of a section or department;  head of a (school) club;  head of a (school) team
 assumption (of office);  taking up (a post);  inauguration;  installation
 to receive;  to get;  to eat;  to drink;  to be crowned with;  to wear (on one's head)
 body;  torso;  trunk;  build;  physique;  health
 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
 laboratory testing bench;  laboratory table;  subject of an experiment;  (human) guinea pig
 to become;  to get;  to result in;  to turn out;  to consist of;  to be composed of;  to be completed
 commercial (radio, TV, etc.);  ad;  construction management;  contract manufacturer;  customer management;  court martial
 therapy;  treatment;  remedy;  cure
 pitiful;  unfortunate;  poor;  unpardonable;  regrettable
 don't;  do;  hey;  listen;  now, ...;  well, ...
 indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 from now on;  after this;  in the future;  from here;  from this point