shutting oneself in (one's room, etc.);  barricading oneself in (a fort, etc.) while being besieged;  holing up (in a building)
 event;  affair;  incident;  case;  plot;  trouble
 Ireland (country);  Éire;  Ireland (island)
 system;  lineage;  corollary;  system (range of strata that correspond to a particular time period);  (taxonomical) series
 arrest;  apprehension;  capture
 enjoyable;  fun;  pleasant;  happy;  delightful
 effort;  exertion;  endeavour;  endeavor;  hard work;  striving
 to reward;  to recompense;  to repay;  to retaliate;  to get revenge
 way of saying (something);  way of putting it;  wording;  phrasing;  language;  expression
 type;  kind;  type (of person);  (ideal) type;  typewriter;  typing
 to resign;  to retire;  to quit;  to leave (one's job, etc.)
 hard worker;  hardworking person
 lower back;  waist;  hips;  body (of hair, noodle, paper, etc.);  resilience;  spring
 to hurt;  to injure;  to harm;  to damage;  to worry;  to bother
 there's no (other) way;  cannot be helped;  unavoidable;  it's no use (doing);  pointless;  hopeless (person)
 to re-enter;  to rejoin;  to re-enrol
 willingness (e.g. to do something);  eagerness;  motivation;  inspiration;  determination;  high aspirations
 to become desperate;  to give in to despair
 to try to ...;  to be about to do ...;  to decide to ...;  to take as;  to treat as;  to use for;  to suppose that (such) is the case
 to persevere;  to persist;  to insist that;  to stick to (one's opinion);  to remain in a place;  to stick to one's post
 aid;  assistance;  help;  cheering;  rooting (for);  support
 unreasonable;  unnatural;  impossible;  forcible;  forced;  excessive (work, etc.);  immoderate
 fan;  enthusiast;  lover (of);  fan (e.g. electric)
 to gather;  to collect;  to assemble
 senior (at work or school);  superior;  elder;  older graduate;  progenitor;  old-timer
 hello;  good day;  good afternoon
 new face;  newcomer;  rookie;  modern humans (from Cro-Magnon man onwards)
 war;  battle;  match;  game;  competition
 to take over;  to hand over
 match;  game;  bout;  contest
 certain;  sure;  doubtless;  I have no doubt;  You can depend on it;  It's a safe bet
 to watch over;  to watch attentively
 snapping back (at someone);  lashing out (despite being in the wrong);  counterblast;  counteroffensive;  backlash
 consequence;  outcome;  result;  blame
 chaos;  turmoil;  pandemonium;  havoc
 to fall into (e.g. a hole);  to fall into (chaos, depression, dilemma, illness, etc.);  to fall into (a trap, etc.);  to fall;  to surrender
 quite capable of ...;  could happen;  not unlikely to
 immediately;  right away;  at once;  easily;  readily
 effect;  effectiveness;  efficacy;  effects (e.g. sound effects, visual effects, special effects)