dubious;  puzzled;  suspicious
 to knit one's brows (in discomfort, unease, disapproval, etc.);  to raise one's eyebrows;  to frown;  to scowl
 for example;  for instance;  e.g.
 epidemic;  plague;  pestilence
 spread (e.g. of a disease);  rampancy;  infestation;  proliferation;  being widespread
 contagious disease;  communicable disease;  transmissible disease;  infectious disease;  epidemic
 sensation;  feeling;  tendency;  propensity
 fashion;  trend;  vogue;  prevalence (of a disease);  epidemic
 time;  season;  period;  phase;  stage
 thing that reminds one of a particular season;  poem about natural scenery;  poem about a particular season
 to apply (a rule);  to be applicable;  to come under (a category);  to fulfill;  to hold true
 very;  greatly;  exceedingly
 reaction;  response;  reaction
 unexpected;  unforeseen;  strange
 diffidence;  losing one's nerve;  feeling awkward;  feeling timid;  being daunted
 to get flustered;  to get flurried;  to get agitated;  to become impatient;  to hurry
 to wither (of a plant);  to be blasted;  to die;  to mature (of one's personality, abilities, etc.)
 to fall (e.g. blossoms, leaves);  to scatter;  to be dispersed;  to disappear;  to dissolve;  to spread
 mostly;  ordinarily;  probably;  most;  almost all;  ordinary
 leaf;  blade (of grass);  (pine) needle;  marijuana;  cannabis
 serious;  earnest;  real sword (as opposed to a wooden practice weapon)
 breath;  breathing;  tone;  mood
 end;  conclusion;  last;  final;  no sooner than;  once
 unusual;  unwonted;  uncharacteristic
 to be stormy;  to be rough;  to be rough (of skin);  to be chapped;  to be ruined;  to fall into ruin
 unusual event;  strange occurrence;  strange phenomenon;  something abnormal;  change (for the worse);  accident
 (weather) front;  front line;  forward area;  action zone
 that;  that thing;  that person;  then;  that time;  that place (over there);  down there (i.e. one's genitals)
 oh my god!;  oh my gosh!;  you got me!;  wow!
 just (now, at the moment, etc.);  just as;  in the act of;  as soon as;  at the moment that
 again (and again);  once again;  yet again
 tension;  mental strain;  nervousness
 to stiffen;  to become stiff
 prudence;  discretion;  thought
 to go around;  to return;  to surround;  to concern (usu. of disputes)
 what did you just say (to me)?;  what's that?
 natural phenomenon (phenomena)