surplus;  margin;  leeway;  composure;  placidity;  complacency
 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
 space (between);  gap;  period of time (during, while);  duration;  between (two parties or things);  among (a group);  relations (between)
 so far;  up to now;  hitherto;  that's enough (for today);  it ends here
 to be absent;  to take a day off;  to rest;  to have a break;  to go to bed;  to (lie down to) sleep
 management;  administration;  operation
 ordinary;  common;  free of charge;  unaffected;  as is;  only
 stagnation;  tie-up;  standstill;  congestion;  delay;  accumulation
 even more;  still more;  further
 to guide;  to lead;  to show the way;  to derive;  to deduce
 in order to;  for the purpose of;  must;  should
 oneself (itself, etc.);  I;  me;  you;  by oneself (itself, etc.);  interjection expressing anger or chagrin
 to shift one's attention to;  to shift one's focus on
 next (e.g. "next April");  forthcoming;  coming;  to come;  to arrive;  to be due to
 normal;  ordinary;  normally;  ordinarily;  local train;  train that stops at every station
 pupil;  student;  schoolchild
 all one's power (strength, energy, efforts);  one's utmost
 to use up;  to exhaust;  to devote oneself (to);  to do one's utmost (for);  to do to exhaustion;  to do completely
 to swear;  to vow;  to take an oath;  to pledge
 worry;  fear;  anxiety;  concern
 corridor;  hallway;  passageway
 suddenly;  casually;  accidentally;  incidentally;  unexpectedly;  unintentionally
 to pass (by) each other;  to brush past;  to miss (meeting) each other;  to fail to meet;  to be at odds;  to clash
 profile;  face in profile;  face seen from the side;  (personal) profile;  (biographical) sketch;  outline (of someone's life)
 with a start;  in surprise;  suddenly (realize, remember, etc.);  all of a sudden;  puffing (air);  with a puff
 to turn one's head;  to look over one's shoulder;  to turn around;  to think back (on);  to reminisce;  to look back (on)
 to recognise;  to recognize;  to know by sight;  to become acquainted with
 friendly chat;  pleasant chat;  lighthearted talk;  friendly conversation
 while;  during;  while;  although;  all;  both
 in an instant;  in a flash;  right away;  immediately
 to stiffen;  to become stiff
 anticlimax;  let-down;  disappointment;  loss of interest
 in order to (e.g. meet goal);  so that;  take care (so as);  hoping or wishing for something
 to become loose;  to slacken (e.g. rope);  to become less tense;  to relax;  to slacken (e.g. coldness, supervision);  to become lax;  to become softer (e.g. ground, facial expression)
 with a feeling of relief;  with a sigh of relief;  deeply (sigh)
 to leak out;  to escape;  to find expression;  to give vent;  to leak out;  to be divulged
 what!;  oh;  what the heck;  what the;  damn