to be in the news;  to be talked about;  to become a popular topic of conversation;  to become the talk of the town;  to become topical
 to float;  to become merry;  to be cheerful;  to become loose;  to become unsteady;  to feel out of it;  to be cut off (e.g. from those around you)
 high voltage;  high tension
 use;  utilization;  utilisation;  application
 experiments using animals;  in-vivo testing;  animal testing
 human experiment;  human experimentation;  experiment on a living person
 one part;  one portion;  one section;  one copy (e.g. of a document)
 bad (taste);  unpalatable;  poor;  unskillful;  ugly;  unattractive
 state secrets;  secrets of the state
 class (e.g. school);  grade;  rank;  kyū;  kyu;  junior rank in martial arts, go, shogi, etc.
 point;  tip;  head (of a line);  front;  first;  before;  (the way) ahead
 to expose to danger;  to imperil;  to jeopardize
 future (usually near);  prospects
 good prospects;  full of hope;  promising
 to take a view or perspective;  to regard as;  to consider to be
 in appearance;  to look at;  judging from appearances
 to be traced (of a criminal);  to be tracked; (arch.)  to have a (male) lover
 still;  yet;  more;  still more;  as ...;  like ...
 on and after;  as from;  hereafter;  thereafter;  since
 to begin to say;  to start talking;  to broach (a matter);  to be the first to say;  to suggest (doing);  to propose
 start;  commencement;  beginning;  initiation
 subject (of a medical experiment, etc.);  test subject;  trial subject;  examinee (of a full-body scan, etc.)
 person's origin (e.g. city, country, parentage, school)
 Sunday;  day (of the month);  counter for days;  Japan
 January;  first month of the lunar calendar
 super-;  ultra-;  extremely;  really;  over;  more than
 gravity;  gravitation;  gravitational pull
 compression;  condensation;  constriction;  compaction
 singularity;  singular point
 passing through (a tunnel, station, town, etc.);  passing by (e.g. of a typhoon);  passage (of a bill, e.g. through parliament);  carriage;  passing (an examination, inspection, etc.);  clearing
 it seems so;  that's what it looks like
 April;  fourth month in the lunar calendar
 district of a town;  city block (of irregular size)