trespassing;  intrusion;  to barge into;  to burst into;  to trespass
 to challenge (a person) to a fight
 to challenge to (a fight, game, etc.);  to throw down the gauntlet;  to tackle (e.g. a problem);  to attempt;  to pressure (someone) for sex;  to make advances to
 battle;  fight;  war;  struggle;  conflict
 all one's power (strength, energy, efforts);  one's utmost
 at;  in;  at;  when;  by;  with;  and then
 that;  it;  then;  that point (in time); (arch.)  there; (arch.)  you
 this;  last (couple of years, etc.);  these;  you (as in "you liar")
 the world;  society;  sphere;  circle;  world-renowned;  world-famous
 seems;  I think;  I guess;  don't you agree?;  I thought you'd say that!
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 if;  in case;  as for;  on the topic of;  if that's the case;  if so
 this way;  this direction;  here;  this (one);  I;  me
 from (e.g. time, place, numerical quantity);  since;  from (originator);  by;  because;  since;  out of (constituent, part)
 to go;  to move (in a direction or towards a specific location);  to proceed;  to take place;  to pass through;  to come and go;  to walk
 adds force or indicates command
 potentiality;  likelihood;  possibility;  availability
 consideration;  examination;  investigation;  study;  scrutiny;  discussion
 terrific;  staggering;  tremendous;  frightful;  ghastly;  horrific
 to eat;  to live;  to make a living;  to bite;  to sting (as insects do);  to tease;  to torment
 real;  realistic;  serious;  non-joking;  realtime blog;  real world (cf. online games or social networking services)
 to divide;  to cut;  to halve;  to break;  to crack;  to dilute;  to fall below
 good;  advantage;  sake;  purpose;  consequence;  result
 to strike against;  to collide with;  to encounter;  to meet;  to clash
 careless person;  scatterbrain;  birdbrain;  hasty person
 certain;  sure;  doubtless;  I have no doubt;  You can depend on it;  It's a safe bet
 second;  number two;  runner-up
 direction;  way;  side (of an argument, etc.);  one's part;  type;  category;  field (of study, etc.)
 it is assuredly that ...;  can say with confidence that ...
 in the first place;  to begin with;  after all;  anyway;  beginning;  start
 average;  mean;  balance;  equilibrium
 rate;  ratio;  profit;  assignment;  10%;  unit of ten percent;  match
 to begin to strike;  to kick out;  to forcefully expel;  to hammer (pattern, etc.) into metal
 silver;  senior citizen;  pensioner
 trouble;  hardship;  difficulty;  anxiety;  worry;  concern
 abruptly;  suddenly;  all of a sudden;  without warning
 state;  condition;  situation;  appearance;  circumstances
 to fall down;  to drop;  to be omitted;  to be missing;  to decrease;  to sink;  to fail (e.g. exam or class)