to watch over;  to watch attentively
 slowly;  unhurriedly;  easily (e.g. in time);  well;  well (e.g. sleep);  comfortably
 water (esp. cool, fresh water, e.g. drinking water);  fluid (esp. in an animal tissue);  liquid;  flood;  floodwaters;  water offered to wrestlers just prior to a bout
 earth;  soil;  the earth (historically, esp. as opposed to the heavens);  the ground;  low-quality torinoko-gami (containing mud);  (period of) refraining from construction in the direction of the god of the earth (in Onmyōdō)
 to dive (into or under water);  to get under;  to get into;  to hide oneself (esp. from the government);  to conceal oneself
 observation;  survey;  measurement;  opinion;  prediction;  thinking
 study;  research;  investigation
 use;  utilization;  utilisation;  application
 hypothesis;  supposition;  assumption
 or;  either ... or;  maybe;  perhaps;  some ... and others ...;  sometimes ... and at other times ...
 one's (living) environment
 as much as possible;  as far as possible;  whenever possible;  if (at all) possible
 to throw into disorder;  to disarrange;  to disturb (order, peace, etc.);  to corrupt (public morals);  to dishevel (hair)
 appearing ...;  looking ...;  way to ...;  method of ...ing;  form;  style
 to hide;  to be hidden;  to conceal oneself;  to disappear
 function;  facility;  faculty;  feature
 fullness;  completion;  enhancement;  improvement;  replenishment;  repletion
 stealthily;  secretly;  in secret
 had better ...;  had better not ...
 sure to ...;  certain to ...;  bound to ...;  it's natural that ...
 protection;  safeguard;  guardianship;  preservation;  conservation
 barrier;  protective wall;  obstacle;  hindrance;  imaginary shield that gives one invincibility or immunity
 (practical) application;  putting to practical use;  applied
 equipment;  device;  installation;  stage setting
 firm;  strong;  solid;  stable
 energy;  energy;  strength;  energy source;  energy resource;  food energy
 place;  spot;  grounds;  arena;  stadium;  range
 to shave off;  to scrape off
 to send (something) flying;  to splatter;  to drive (something) off
 below;  down;  bottom;  beneath;  underneath;  just after;  right after
 something like ...;  something called ...
 work;  operation;  manufacturing;  fatigue duty
 to finish;  to end;  to merely result in something less severe than expected;  to feel at ease;  to feel unease or guilt for troubling someone;  to be sorry
 how much;  something over;  and something;  however (much);  no matter how
 to dig up;  to turn up;  to tear up;  to rake up (e.g. old scandal);  to dig over
 trace;  tracks;  site;  remains;  scar
 to grow thickly;  to be in full leaf;  to be rampant;  to luxuriate;  to be luxurious
 to mask;  to cover;  to cloak;  to hide;  to conceal
 and;  thereupon;  because of that