(medical) follow-up;  observation
 to suffice;  to serve the purpose;  to be satisfied
 strange;  unconventional;  eccentric;  odd;  odd number
 concerning;  regarding;  per (e.g. 100 yen per person);  for every
 to exert (influence);  to exercise;  to cause (e.g. damage);  to do (e.g. harm);  to bring about (e.g. benefits);  to extend
 discussion;  argument;  debate
 to exchange (messages, greetings, arguments, etc.);  to intersect;  to cross;  ... with one another;  ... to each other
 view without saying a word;  tacit permission
 vigilantly (watching for an opportunity);  eagerly;  with an eagle eye
 problems caused by old people;  harm to society by gerontocracy
 to go around;  to return;  to surround;  to concern (usu. of disputes)
 thinking;  thought;  idea;  notion;  intention;  plan
 this occasion;  at this time;  now
 suggestion;  hint;  implication
 terminal (electricity);  pin (on a semiconductor or microcontroller);  port (e.g. LAN port)
 isolation;  cut off;  blockade;  quarantine;  interception;  deprivation
 established theory;  accepted opinion;  accepted explanation
 to collapse;  to crumble;  to get out of shape;  to lose one's shape;  to break down;  to be thrown into disarray;  to crash (stock market)
 shallow;  superficial;  thoughtless;  short-sighted;  foolish;  silly
 composition;  construction;  formation;  makeup;  structure;  organization
 show (of power, ability, etc.);  exhibition;  demonstration;  display;  manifestation
 results of a scientific investigation;  findings
 youngster;  boy;  young Buddhist monk;  young bonze;  young shop-boy;  errand boy
 opinion;  point of view;  visual point
 study;  scholarship;  learning;  discipline;  branch of learning;  (a) science
 to talk about;  to speak of;  to recite;  to chant;  to indicate;  to show
 consensus;  collective will;  collective opinion
 consideration;  examination;  investigation;  study;  scrutiny;  discussion
 item;  heading;  category;  headword (in a dictionary, encyclopedia, etc.);  entry
 contents;  content;  substance;  matter;  detail;  import
 smallest (in size, degree, etc.);  least;  minimum;  minimal
 whole;  entirety;  whatever (is the matter)
 change;  transformation;  innovation;  Reformation
 not necessarily so;  is not always true
 limits;  boundary;  domain;  area (e.g. in programming languages)
 Metropolis (of Tokyo);  (Tokyo) Metropolitan District;  counter for cities and towns;  capital
 unusual event;  strange occurrence;  strange phenomenon;  something abnormal;  change (for the worse);  accident
 singularity;  singular point
 in range;  within the limits (of...);  within (a) range