difficult problem;  challenge
 severe;  strict;  hard (to do);  difficult;  intense (e.g. cold);  harsh (weather)
 but;  however;  provided that
 destruction;  disruption;  (application) crash
 to get permission;  to get approval;  to get the go-ahead
 in front (of);  before (e.g. a building);  before;  earlier;  (the) front;  frontal part;  forward
 capitulation;  surrender;  submission;  yield
 good;  excellent;  fine;  nice;  pleasant;  agreeable
 cleaning up;  sweeping up;  mopping up
 war;  battle;  match;  game;  competition
 switching over to;  migration;  transition
 you said;  he said;  if ... then;  do you seriously think that;  I already told you;  you should know by now that;  the said ...
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 yes;  yeah;  huh?;  what?;  not;  's
 don't you think?;  indicates question
 that is to say;  that is;  in short;  in brief;  clogging;  obstruction;  shrinkage
 obedient;  meek;  docile;  honest;  frank;  upfront (about one's feelings)
 to respond;  to satisfy;  to accept;  to comply with;  to apply for
 to hear;  to listen (e.g. to music);  to ask;  to enquire;  to hear about;  to hear of;  to follow (advice, order, etc.)
 outline;  main points;  generally;  on the whole;  general;  rough
 distinction;  differentiation;  classification
 if one is unlucky;  if one is careless
 to say;  to utter;  to name;  to call;  to go (e.g. "the alarm went ping");  to make a noise
 to do;  to carry out;  to cause to become;  to make (into);  to serve as;  to act as;  to wear (clothes, a facial expression, etc.)
 (a) little;  (a) few;  slight;  only;  just;  merely
 very;  greatly;  much;  just about to;  almost;  very nearly
 serious;  severe;  grave;  acute
 to catch;  to stop the blow;  to react to;  to take (advice, etc.);  to accept
 seeming ...;  appearing ...;  -ish;  like a ...;  typical of ...
 war area;  battlefield;  theater;  theatre
 control (by the state);  controlling;  coordination;  air traffic control
 confirmation;  verification;  validation;  review;  check;  affirmation
 devil;  demon;  Satan;  the Devil;  Māra;  evil spirits or forces that hinder one's path to enlightenment
 company;  lot;  bunch;  troupe;  company (of musicians)