installation (esp. software)
guidance; leading; induction; introduction; incitement; inducement
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
connection; attachment; changing trains; conjunction
R; r; radius; curve; nth year in the Reiwa era (May 1, 2019-); refrigerator
correspondence; communication; transmission; news; signal; telecommunications
normalcy; normality; normal
operation (of machine); operating; running; working
as much as possible; as far as possible; whenever possible; if (at all) possible
short distance; short range; short-haul
at the most; at best; to the utmost; as much as possible; as much as one can
several; a number of; quantity; amount; counting; figures; number
metre; meter; meter; gauge
armchair theory; impracticable theory
Bluetooth (variety of short-range wireless LAN)
impossible; unlikely; improbable
assumption; supposition; hypothesis
to determine (esp. a culprit or underlying cause); to pin down; to ascertain; (arch.) to stab to death
going through; going via; going by way of
goes without saying; needless to say; obvious
this, that and the other; this and that
headquarters; head office; main office
to enquire; to inquire; to seek information
in the meanwhile; during the time
with these words; while saying
to hug someone close; to hold someone tight; to embrace closely
unreliable; uncertain; indefinite; unclear
disorder; chaos; confusion; mayhem
fear; dread; dismay; terror; horror; scare
to turn over (face down); to lay face down; to point downwards (eyes, head, etc.); to cast down (eyes); to lie (one's body) face down; to lie flat (on the ground)
source of information; intelligence source; message source
sympathy; empathy; response
monitoring; watching; observation; surveillance; guarding; supervision
nonsense; silly talk; drivel; rubbish
underwater; behind closed doors; behind the scenes; below the surface
making use of; application; practical use; operation; handling; steering (esp. a boat)
to leak out (a secret); to be exposed (a lie, improper behaviour, etc.); to be found out; to get away (of fish)
criticism; judgement; judgment; comment