to fall completely silent;  to become still as death
 long (distance, length);  long (time);  protracted;  prolonged
 silence;  being silent;  quiet;  reticence;  inaction
 to become pale;  to turn pale
 unpleasant;  disgusting;  loathsome;  shameful;  scandalous
 statement;  remark;  observation;  utterance;  speech;  proposal
 present (e.g. government, administration);  current;  existing
 time;  (the) hour;  favourable time;  opportunity;  chance
 with;  by;  because of;  on account of;  on (a day, date);  at (a time);  adds emphasis to preceding word
 putting into operation;  invocation
 aeroplane;  airplane;  aircraft
 plane crash;  fall (accident)
 (if) by some chance;  by some possibility;  in the unlikely event that;  (unlikely event of) emergency;  the worst(-case scenario)
 after that;  afterwards;  thereafter
 duration of a cruise (flight);  endurance
 fall;  drop;  descent;  coming down
 site;  point on a map;  spot
 to calculate;  to compute;  to deduce;  to infer;  to conclude
 cabinet (of a government);  ministry
 official residence (e.g. of the prime minister)
 contacting;  (making) contact;  connection (with a train, bus, etc.);  joining (a railway line, etc.);  connection (between matters, incidents, etc.);  relation
 neighbourhood;  neighborhood;  vicinity
 fire fighting;  fire department;  fire brigade
 report;  notification;  tip;  message (in information and communication theory)
 everything;  anything;  nothing
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 to begin;  to set about;  to start
 busy;  hurried;  confused;  flurried
 wall;  partition;  barrier;  obstacle;  Chinese "Wall" constellation (one of the 28 mansions)
 wintry sky;  cold weather (in winter);  wintry weather
 to look up at;  to raise one's eyes;  to look up to;  to admire;  to respect
 to mutter;  to murmur;  to grumble;  to tweet (Twitter)
 off the top of one's head;  from thin air;  from memory
 Hokkaido (island, prefectural-level administrative unit)
 opening (of a new road, railway, etc.);  going into operation (e.g. telephone communication);  beginning services;  reopening (e.g. a road to traffic);  resumption of services
 just (now);  quite (near);  unintentionally;  subconsciously
 television;  TV;  TV program;  TV programme;  TV broadcast
 to do;  to undertake;  to send;  to dispatch;  to put;  to move;  to give (esp. to someone of equal or lower status)
 explanation;  commentary;  exposition;  elucidation