investigation; examination; inquiry; enquiry; survey
preparation; arrangements; getting ready; provision; setup; reserving
to advance; to move forward; to carry forward (plans, work, etc.); to proceed with; to raise; to elevate
interior; inside; internal
to set foot into; to enter; to step inside; to cross the threshold
usual; normal; everyday; usually; normally; generally
stern; grave; austere; strict (e.g. security); severe; firm
facial expression; countenance; look; appearance; expression (vocal, etc.)
tension; mental strain; nervousness
another; one more; not quite; not very good; lacking
companion; comrade; escort; member of a party; fellow traveller; fellow traveler
because of; owing to; due to
had better ...; had better not ...
Mr.; Mrs.; Miss; politeness marker
to move; to stir; to operate; to run; to make a move; to take action; to be touched
easy; likely to ...; have a tendency to ...; easy to ...
shape; form; appearance; state; situation; suitable
beyond this point; from now on; after this
snare; trap (for catching wild game, etc.); trap (i.e. ruse, subterfuge, etc.)
even if ...; even supposing that ...; also as ...; also for ...; also from the position of ...
danger; peril; hazard; risk
dealing with; coping with
tall figure; high stature
boy; juvenile; young boy; youth; lad
to wear glasses; to put on glasses
strange; weird; wonder; mystery; cleverness; adroitness
carefree; free from worry
quiet; silent; slow; unhurried; calm; peaceful
light (i.e. not heavy); feeling light (i.e. offering little resistance, moving easily); light (i.e. of foot); effortless; non-serious; minor; slight
from long ago; from old times; from time immemorial
how many years; how long; what year
first; foremost; most important; best; greatest; above all
to follow; to come along with one; to accompany
alone; by oneself; on one's own
infiltration; sneaking in; going undercover
surely; clearly; without a doubt; in all probability; no matter how one slices it; no matter how one looks at it
reckless; thoughtless; rash; ill-advised; impulsive; mad (e.g. scheme)
to meet; to encounter; to see; to have an accident; to have a bad experience
incident; affair; happening; event