difficult to ...;  hard to ...
 until (a time);  till;  to (a place or person);  as far as;  to (an extent);  up to
 to reveal by washing the surface;  to expose by washing away dirt, earth, etc.;  to discover (by investigation);  to bring to light;  to start washing
 specific;  particular;  designated;  specifying;  designating;  identifying
 information discovery;  disclosure of information
 claim;  demand;  charge;  application;  request;  billing (for a service)
 individual;  private person;  personal;  private
 behind;  rear;  after;  later;  remainder;  the rest;  more (e.g. five more minutes)
 suspicious;  dubious;  doubtful;  unsure;  untrustworthy;  unreliable;  strange
 other companies in the same business;  rival firms
 to wash;  to cleanse;  to inquire into;  to investigate;  to purify (one's heart);  to lave (e.g. shore)
 (police) detective;  criminal matter
 to hear;  to listen (e.g. to music);  to ask;  to enquire;  to hear about;  to hear of;  to follow (advice, order, etc.)
 to play dumb;  to feign ignorance;  to play the fool;  to be in one's dotage
 having in mind;  happening to know of;  idea
 one;  for one thing;  only;  (not) even;  just (e.g. "just try it");  some kind of;  one type of
 resentment;  grudge;  malice;  matter for regret;  regret
 to hold (in one's hand);  to take;  to possess;  to have;  to maintain;  to keep;  to last
 appearing that;  seeming that;  looking like;  having the appearance of
 company;  corporation;  workplace
 personal;  individual;  private
 as is;  as it is;  as things are;  like this;  this way;  at this rate
 to close (one's eyes);  to shut
 indicates emotion or admiration;  indicates emphasis;  I;  me;  wah!;  boo!
 worry;  concern;  anxiety;  care;  help;  aid
 to give;  to let (one) have;  to give;  to do for one;  to take the trouble to do;  to do to someone's disadvantage
 something like ...;  things like ...;  someone like ...;  the likes of ...
 proper;  appropriate;  due;  suitable
 inconsequential;  indifferent;  not worth worrying about;  whatever;  whichever;  I don't care
 here;  this place;  this point;  here;  these past ... (e.g. three years);  these last ...
 to work;  to labor;  to function;  to operate;  to commit (e.g. a crime);  to perpetrate
 crime;  sin;  penalty;  sentence;  fault;  responsibility
 damage (esp. financial) caused by harmful rumours or misinformation (rumors)
 to receive;  to get;  to catch (e.g. a ball);  to be struck by (wind, waves, sunlight, etc.);  to sustain (damage);  to incur (a loss);  to undergo (e.g. surgery)
 things like;  something like;  someone like;  such a thing as;  (the fact) that;  to think that
 police officer;  policeman;  constable
 very likely;  very probable
 to buy;  to purchase;  to value;  to have a high opinion;  to stir;  to provoke
 leak (of secrets, information, etc.);  disclosure;  divulging;  leak (of gas, liquid, etc.);  leakage;  escape (of gas)