unexpectedly; surprisingly; unexpected; unanticipated; unforeseen
science; to think about scientifically; to think in terms of science
elucidation; explication; explaining; unravelling; clarification; understanding
possibility; chance; potential; potentiality; possibility (modal property of a proposition containing no logical contradiction)
as (i.e. in the role of); for (i.e. from the viewpoint of); apart from ... (used to change the topic); even (e.g. "not even a single person"); thinking that ...; trying to ...
pure; true; genuine; unmixed
interest (in something); curiosity (about something); zest (for)
research; study; investigation
for this very reason; that is exactly why
coworker; co-worker; colleague; associate
to leave (in someone's keeping); to put (in someone's care); to put (someone) in charge of; to leave (a matter) in someone's hands; to lean on; to put one's weight on
easy; trifling; harmless; nothing of the sort; not at all
to stop (moving); to come to a stop; to stop (doing, working, being supplied); to come to a halt; to alight; to perch on
again; once more; a second time
to be foolish; to be stupid; to be ridiculous; to be absurd
implication; hidden meaning; latitude; atmosphere; tone; sentiment
complexion; skin tone; skin colour; countenance; look (on one's face); expression
to change; to alter; to transform; to reform; to revise; to amend
to; for; in order to; for; as for; regarding
remainder; remnant; (not) very; (not) much; too much; excessively; extreme
interest; eagerness; enthusiasm
serious; earnest; sober; honest; sincere
the old days; the past; former times; the past ten years; the past decade
ghost; apparition; goblin; monster; something unusually large
kind; sort; type; similar example; parallel; the like
poor (at); weak (in); not very good (at); not one's cup of tea; not one's favorite
scary; frightening; eerie; dreadful
program (e.g. TV); programme
immediately; right away; at once; instantly
to run away; to flee; to make off; to start to run away
since some time or another; since who-knows-when
(not) at all; (not) in the slightest; wholly; entirely; extremely; very
cool; calm; composed; all right; fine; OK
boy; son; baby boy; young man
you; buddy; monarch; ruler; he; she
to be lucky; to be in luck; to be attached; to have; to be included
to fish; to angle; to catch; to lure in; to tempt; to attract
to hang one's head; to look down; to cast one's eyes downward
to shift one's attention to; to shift one's focus on
if; when; when it comes to ...; as for ...; why don't you ...; why not ...
elementary school student; primary school student; grade school student
(approximate) time; around; suitable time (or condition); time of year; season