infiltration; sneaking in; going undercover
one's own strength; one's own efforts; self-salvation
to creep in; to steal in; to sneak in
to track down; to locate; to find out; to smoke out; to ferret out; to chase up
clumsy (work); awkward; poorly made; ugly (of a person); unattractive; plain
feature; trait; characteristic; peculiarity; distinction
results of a scientific investigation; findings
(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
nature; property; disposition
to take something into ...; to bring in; to lodge (a complaint); to file (a plan); to bring to (a state: tied game, vote, trial, etc.)
immediate; prompt; quick; rapid; urgent; pressing
solution; solution strategy
sweetly (smiling); broadly (grinning)
wind; breeze; manner; behaviour; cold; influenza
or; otherwise; furthermore; also; (arch.) perhaps; (arch.) by some chance; (arch.) that being said
anti-aircraft gun; antiaircraft artillery
to catch sight of; to see; to suppose; to assume from appearances
former site (of something); site (e.g. of a demolished building)
inspection; study by observation; field trip; sitting out (e.g. PE class)
remains; traces; (the sorrow of) parting; end
to slip into; to crawl into (under); to conceal oneself (under); to sneak into; to infiltrate
reception (desk); information desk; receipt; acceptance
to look after; to take care of; to be put in charge of; to be given responsibility for; to withhold (an announcement); to reserve (judgment)
cooperation; collaboration
looking pale; looking unwell
hospital; clinic; doctor's office; doctor's surgery; infirmary
physiology; menstruation; one's period; menses
blue (colour, color); sad; down (in the dumps)
later on; eventually; afterwards
three-way junction; three-way intersection
multi-floor building; multi-storey building; bill
person concerned; people involved (in an event); those concerned; staff
intruder; invader; trespasser; raider