to tighten;  to stiffen;  to brace;  to strain
 serious;  earnest;  real sword (as opposed to a wooden practice weapon)
 to turn inside out;  to turn the other way;  to look at (something) from another perspective;  to put it the other way round;  to visit the same prostitute or geisha for a second time
 funny;  amusing;  strange;  odd;  improper;  unsuitable
 seat;  place;  position;  status;  gathering;  party;  stand
 to vacate;  to surrender (e.g. a castle);  to give up (e.g. a position);  to hand over (e.g. power)
 oversight;  omission;  something overlooked;  thing left unnoticed
 won't;  hasn't;  isn't;  won't you
 yes;  yeah;  hum;  hmmm;  oof
 once;  one time;  one round;  one game;  one bout;  one heat
 indicates reason or excuse;  indicates dissatisfaction;  indicates desire to be pampered or indulged
 state;  condition;  situation;  appearance;  circumstances
 mutually;  with each other;  reciprocally;  together
 to pay attention;  to be watchful
 although I say;  although one might say;  although called
 mental fatigue;  worry;  boredom
 tactics;  strategy;  military operation;  naval operation
 one's self-possession;  one's presence of mind
 cool (temperature, color, etc.);  cool (i.e. calm and collected);  cool (i.e. fashionable, attractive, etc.);  course (of medical treatment);  season (series) of a television program (usu. 13 installments over a 3-month period)
 to empty;  to vacate;  to evacuate
 what?!;  what did you say?!;  why?;  what for?;  anyone;  anything
 to listen repeatedly;  to listen again;  to ask a question in return;  to ask again;  to ask for a repeated explanation
 clearing one's throat;  cough
 innermost secrets (of an art or skill);  mysteries;  essence;  heart
 parting;  separation;  farewell
 something heard for the first time;  hearing something for the first time
 tongue;  tongue-like object;  clapper (of a bell);  talon (of a lock)
 to become familiar with;  to fit in;  to adapt oneself;  to get used to;  to grow accustomed to
 how many times;  how many degrees (temperature, angle, etc.)
 to knock together;  to strike against each other;  to arrange (e.g. a meeting);  to discuss (in advance)
 soon;  shortly;  before long;  nearly;  almost
 to sound;  to ring;  to resound;  to echo;  to roar;  to rumble
 to break up (e.g. a meeting);  to call it a night
 to be attached;  to be connected with;  to remain imprinted;  to scar;  to bear (fruit, interest, etc.);  to be acquired (of a habit, ability, etc.);  to increase (of strength, etc.)
 tasks;  things to do;  errand;  business (to take care of);  affairs;  engagement
 no good;  not serving its purpose;  hopeless;  wasted;  cannot;  must not
 strongly hoping or requesting (of something that is difficult to be brought to fruition)
 not a chance;  you wish!;  that's not going to happen;  that won't work
 tea utensils;  container for powdered green tea (tea ceremony)
 to tidy up;  to put in order;  to settle (problem);  to clear (dispute);  to finish;  to bring something to an end