speed;  velocity;  pace;  velocity
 to loosen;  to slacken;  to relax (attention, efforts, etc.);  to let down (one's guard);  to relax (a rule);  to ease (e.g. restrictions)
 Herculean task;  next-to-impossible undertaking
 step;  stair;  grade;  rank;  counter for breaks in written language (or speech, etc.);  dan
 rainfall;  snowfall;  alighting;  descending
 (hurrying along) falling and stumbling;  falling all over oneself
 complete recovery;  healing
 busyness;  a lot of things to do;  frequent use;  heavy use (of);  many uses
 even if;  even though;  however;  no matter how
 leader;  guide;  mentor;  coach
 somehow;  for some reason;  without knowing why
 always;  without exception;  necessarily;  certainly;  without fail;  positively
 but;  however;  provided that
 terrific;  staggering;  tremendous;  frightful;  ghastly;  horrific
 polite;  courteous;  civil;  careful;  close;  thorough
 to join (hands);  to take (each other's hands);  to scramble for;  to struggle for;  to pay attention to;  to take notice of
 as soon as...;  just after...;  immediately after...;  hurriedly;  in haste;  quickly
 a lot;  lots;  enough;  sufficient;  enough;  too many
 another (person);  the other person;  one more (person)
 free;  unrestricted;  (with) complete mastery;  completely in control
 disorder;  disturbance;  unrest
 one tenth;  one hundredth;  one percent;  one tenth of a sun;  one quarter ryō (an old coin)
 splendid;  magnificent;  utter (esp. defeat);  total; (arch.)  something worth seeing; (arch.)  sight
 in one's own way or style
 to digest;  to break down;  to break to pieces;  to be able to use;  to be good at;  to finish;  to complete
 weak;  frail;  delicate;  tender;  unskilled;  weak (wine)
 to resemble;  to look like;  to be like;  to be alike;  to be similar;  to take after
 state;  condition;  situation;  appearance;  circumstances
 to arrive at (after a struggle);  to finally reach;  to find one's way to;  to finally hit on (e.g. an idea)
 movement;  move;  motion;  trend;  development;  change
 sweat;  perspiration;  moisture;  condensation;  gulp;  oops
 to fly around;  to scatter
 to get torn;  to tear;  to rip;  to be broken off (of negotiations, etc.);  to break down;  to collapse
 to stiffen;  to become stiff
 general theory of relativity
 isn't it?;  let's ...;  why don't we ...;  how about we ...