carrying (on one's person or in the hand); mobile phone; cell phone
identification; ID; identity
specific; particular; designated; specifying; designating; identifying
but; however; (and) yet; nevertheless; still; for all that
coincident with; while; simultaneously
weak point; weakness; shortcoming; defect; flaw; sore spot
gait; walk; stride; trace (e.g. of route taken by hunted criminal); track; trail
confluence (of rivers); merge (of traffic); conflux; union (e.g. of forces); linking up; merging
these guys; these fellows
chief; head (of an office, of a laboratory)
painful; bitter; tough; difficult; cruel; harsh
spy; agent provocateur; covert operative; maker; builder; constructor
boy; son; child; mere boy; stripling; greenhorn
pluralizing suffix (esp. for people and animals; formerly honorific)
(what) the heck; (why) in the world; one object; one body; one form; one style
originally; by nature; from the start
artificial satellite; man-made satellite
to use (a thing, method, etc.); to make use of; to use (a person, animal, puppet, etc.); to employ; to use (time, money, etc.); to spend
stone (of a fruit); pit; core (of an organization, team, etc.); nucleus; nuclear weapons; nucleus (of an atom); nucleus (of a cell)
intercept; interception; counter-attack
development; exploitation
as a matter of fact; by the way; to tell you the truth; to be honest; frankly
last week; the week before
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
equipment; device; installation; stage setting
as is; as it is; as things are; like this; this way; at this rate
to withdraw from (a deal); to wash one's hands of; to lead by the hand
consent; assent; agreement; understanding; comprehension; grasp
you guys; buddies; pals; you lot
probably isn't (doesn't, won't, etc.); don't (doesn't) intend to; intend not to; must not; (when used in an imperative sentence) don't
to make a mistake (in); to commit an error (e.g. in calculation); to confuse; to mistake something for something else
trouble; hardship; difficulty; anxiety; worry; concern
first (of all); firstly; probably; most likely; more or less (satisfactory); on the whole
pipe shaft (in a building); riser shaft
temperature; body temperature (human, animal)
perception; sensing; noticing
anywhere; for all time; through thick and thin; come hell or high water; persistently; stubbornly
chase; pursuit; tracking; following up; tracing
anyone; anybody; everyone; whoever
sight (e.g. of a gun); aim; alignment
to match (rhythm, speed, etc.); to join together; to unite; to face; to be opposite (someone); to compare; to check with