without leaving any trace
 unreliable;  undependable;  untrustworthy;  not to be counted on
 to stop walking;  to pause
 consent;  assent;  agreement;  understanding;  comprehension;  grasp
 drinking water;  potable water
 hydration;  rehydration;  to hydrate;  to rehydrate;  to moisturize
 long ago;  already;  a long time ago
 collapsing in the street (from exhaustion, illness, etc.);  falling dead in the street;  person lying dead in the street
 dim;  hazy;  vague;  indistinct;  faint;  fuzzy
 home town;  birthplace;  native place; (arch.)  ruins; (arch.)  historic remains
 to use up all one's strength
 after (practically) no time;  immediately after;  just;  having no time to
 hard to get;  hard to come by
 metre;  meter;  meter;  gauge
 exposed;  scanty;  bare;  public;  open
 paving (a road);  surfacing (with asphalt, concrete, etc.);  pavement
 to stop (in one's tracks);  to come to a stop;  to halt;  to pause;  to stand still
 to draw (conclusion);  to deduce;  to derive
 hypothesis;  supposition;  assumption;  tentative theory
 to avoid (physical contact with);  to avoid (situation);  to ward off;  to avert;  to put aside;  to move out of the way
 muscle;  tendon;  vein;  artery;  fiber;  fibre;  line
 manual labor;  manual labour;  manual procedures
 to pay (e.g. money, bill);  to brush off;  to wipe away;  to drive away (e.g. one's competitors);  to sell off (something unneeded);  to dispose of;  to pay (e.g. attention)
 organic;  coordinated;  working in a coordinated fashion
 to run off;  to break into a run;  to start running
 to strain one's eyes;  to look closely;  to stare at
 to sweep;  to brush;  to clean;  to gather silkworms
 to be mixed;  to be blended with;  to be combined;  to associate with;  to mingle with;  to interest
 footprints;  record of page visitors (e.g. in social networking sites)
 some people;  a few people;  several people
 ghost;  specter;  spectre;  apparition;  phantom
 to sink;  to go under;  to go down (e.g. sun);  to set;  to feel depressed;  to become subdued
 sunset;  sundown;  end;  close;  year-end;  end of the year
 to drink;  to gulp;  to smoke (tobacco);  to engulf;  to overwhelm;  to keep down;  to suppress
 halfway up (down) a mountain;  mountainside