just (now); quite (near); unintentionally; subconsciously
for two people's eyes to meet; catching someone's eye; making eye contact; meeting a person's gaze
to turn away (one's eyes, face, etc.); to avert; to displease; to annoy; to miss (the target, ball, etc.)
insular; closed; unsociable; exclusive
severe; strict; hard (to do); difficult; intense (e.g. cold); harsh (weather)
investigation; examination; inquiry; enquiry; survey
police investigator; investigator
to leak out (a secret); to be exposed (a lie, improper behaviour, etc.); to be found out; to get away (of fish)
to drive away; to turn away; to send away; to repel; to repulse
surveillance system; monitoring system
circumference; outskirts; environs; (computer) peripheral
watch-keeping; guard; lookout
strict; severe; stringent; rigorous; rigid; firm
course; route; path; process; means
mark; symbol; to mark; to put a mark on; trademark; paying attention to; focusing on
difficult; hard; impossible; unfeasible; fussy; particular; gloomy
as (much) as possible; as (much) as one can; wherever practicable; if possible
to bring near; to bring close; to let go near; to associate with; to bring (people) together; to let come near (of a person)
to precede; to forestall; to anticipate
campground; campsite; camping-ground
to disappear into; to slip into; to be lost in; to be mixed up with
concealment; hiding; ambush; incubation; latency; dormancy
spy; agent provocateur; covert operative; maker; builder; constructor
plan; device; idea; design; contrivance; conception
unexpected; unforeseen; strange
beginning; outset; first; onset
participation; joining; entry; adherence
given that ... it is only natural that ...; ... being the case, it is unavoidable that ...; (precisely) because ...; contrary to expectations ...
next (e.g. "next April"); forthcoming; coming; to come; to arrive; to be due to
accurate; correct; precise; exact
origin; genesis; opening; start; beginning
light (i.e. not heavy); feeling light (i.e. offering little resistance, moving easily); light (i.e. of foot); effortless; non-serious; minor; slight
to recognize; to recognise; to deem; to judge; to approve; to deem acceptable; to admit
towards; against; regarding; in contrast with
to become speechless; to be at a loss for words
not only ... (but also); not just; as well as
something heard for the first time; hearing something for the first time
hollow; cavity; hole; cave
for a short while; for a brief period; soon; in a short while
to pull oneself together; to collect oneself (after a failure); to regain control (of oneself)