obstacle;  impediment;  hindrance;  handicap;  impairment;  disability
 recognition;  awareness;  perception;  understanding;  knowledge;  cognition
 in order to;  for the purpose of;  must;  should
 negotiations;  discussions;  connection
 answer;  reply;  response;  answer;  solution;  result
 retaliation;  revenge;  reprisal;  retorsion;  retortion
 necessary;  needed;  essential;  necessity;  need;  requirement
 to do;  to undertake;  to send;  to dispatch;  to put;  to move;  to give (esp. to someone of equal or lower status)
 keep ...-ing;  have been ...-ing;  leaving (something) on;  leaving (something) still in use
 defense;  defence;  safeguard;  protection
 to take shape;  to look good enough to be shown publicly
 gaining time;  stalling for time;  time-buying
 the human body;  one's person
 quite;  very;  10^48;  quindecillion
 conclusion from reasoning, judgement or calculation based on something read or heard;  reason;  cause;  meaning;  circumstances;  situation
 than;  from;  out of;  except;  but;  more
 certain;  sure;  definite;  reliable;  sound;  solid
 plan;  scheme;  (payment) plan;  package;  deal
 sacrifice;  victim;  sacrifice (to a deity)
 disturbance;  perturbation;  derangement
 enough;  sufficient;  sufficiently;  fully;  division into ten
 to betray;  to turn traitor to;  to double-cross
 guarantee;  security;  assurance;  pledge;  warranty
 to jump at the chance;  to accept an offer;  to show interest in;  to accept a proposal
 to descend (e.g. a mountain);  to go down;  to alight (e.g. from bus);  to get off;  to step down;  to retire;  to be granted
 to the end;  to the bitter end;  to the last;  after all;  it must be remembered;  only
 come;  come now;  well;  who knows;  well now;  let's see
 beginning;  start;  clue;  lead;  thread end
 to think (about, of);  to think over;  to consider;  to bear in mind;  to think (that);  to believe;  to intend (to do)
 bad;  poor;  poor (quality);  inferior;  evil;  sinful;  ugly
 proposal;  proposition;  suggestion
 definitely;  absolutely;  absolute;  unconditional;  absoluteness
 snare;  trap (for catching wild game, etc.);  trap (i.e. ruse, subterfuge, etc.)
 various;  all sorts of;  variety of; (arch.)  various colors (colours)
 suspicious;  dubious;  doubtful;  unsure;  untrustworthy;  unreliable;  strange
 past;  after;  too (much);  over- (e.g. eating)
 but;  however;  (and) yet;  nevertheless;  still;  for all that
 to trap (into a difficult situation);  to put (in a fix);  to capture (a castle, fortress, etc.);  to take;  to drop (something) into
 advantage;  point in favor;  point in favour