not understanding;  not knowing
 embarrassing;  embarrassed;  ashamed;  disgraceful;  shameful
 come;  come now;  well;  who knows;  well now;  let's see
 disagreeable;  detestable;  unpleasant;  reluctant
 after all;  because;  but;  even;  too;  as well
 normal;  ordinary;  normally;  ordinarily;  local train;  train that stops at every station
 everyone;  everybody;  all;  everything;  all
 such;  this sort of;  like this
 moreover;  furthermore;  nevertheless;  and yet
 alone;  by oneself;  on one's own
 sneakily;  secretly;  stealthily;  on the sly
 in that way;  thus;  so;  so?
 preface;  introduction;  preamble
 straight;  quickly;  quietly;  gently;  to feel refreshed;  to feel satisfied
 to straighten up one's back (e.g. stand up straight, sit up straight);  to hold one's head high
 to sound;  to ring;  to resound;  to echo;  to roar;  to rumble
 to become clear (water, air, etc.);  to become transparent;  to resonate clearly (e.g. voice);  to become serene;  to become tranquil;  to pronounce as an unvoiced sound
 important;  serious;  valuable;  precious;  serious matter;  major incident
 mountain range;  mountain belt
 person;  someone;  human beings;  mankind;  human (Homo sapiens);  (other) people;  others
 outburst of cicadas singing;  chorus of cicadas
 et cetera;  etc.;  or something;  the likes of;  for example;  for instance
 consists of;  comprises;  is made up of
 outside;  exterior;  the open (air);  other place;  somewhere else
 the world;  society;  sphere;  circle;  world-renowned;  world-famous
 contacting;  (making) contact;  connection (with a train, bus, etc.);  joining (a railway line, etc.);  connection (between matters, incidents, etc.);  relation
 to attach;  to join;  to furnish (a house with);  to wear;  to put on;  to keep a diary;  to make an entry
 (a) step;  one step;  level;  stage;  small degree;  small amount
 other than;  excluding;  without
 to stand in a line;  to stand in a row;  to be equal
 hailing each other;  acting in concert;  responding (to);  agreement;  concord
 harmony;  accord;  reconciliation;  agreement
 to plan;  to attempt;  to plot;  to conspire;  to aim for;  to strive for
 breath;  breathing;  tone;  mood
 smoothly;  easily;  readily
 to memorize;  to memorise;  to recite from memory
 a verse (e.g. in the Bible);  stanza;  paragraph;  passage;  a joint;  section
 near;  neighbourhood;  nearly (e.g. "it took nearly one year");  close to;  shortly;  soon
 straight (ahead);  direct;  upright;  straightforward;  honest;  frank
 direction;  way;  side (of an argument, etc.);  one's part;  type;  category;  field (of study, etc.)
 to turn toward;  to look (up, down, etc.);  to face (e.g. east) (of a building, window, etc.);  to look out on;  to point (of an arrow, compass needle, etc.);  to be suited to
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial