ringleader; mastermind; leader (of a plot)
arrangement; preparations; search (by police)
influence; effect; impact
actual place; actual location; the spot; place where one is currently living
informant; informer; contact; Information Provider
search (esp. in criminal investigations); investigation; inquiry; enquiry
trick; plot device; mystery-fiction trope
early days; early years; early stages; initial stages; beginning
stage; step; level; rank; order; stairs
carelessly; thoughtlessly; inadvertently
to uncover; to solve; to reveal
office work; clerical work; administration; business; affairs
little grey cells (in reference to Hercule Poirot's catchphrase); intellect; brainpower
chivalrous spirit; chivalry
carrying (on one's person or in the hand); mobile phone; cell phone
way; style; ceremony; rite; wedding (ceremony); equation
human trafficking; slave trade
(complete) destruction; annihilation; devastation
arrowhead; target of a flying arrow; brunt (of an attack); the very moment (when); the point (of doing)
discontent; dissatisfaction; complaint; grievance
great scholar; profound scholar
hem; (trouser) cuff; bottom part; bottom edge; foot (of a mountain); tips (of hair)
there's no (other) way; cannot be helped; unavoidable; it's no use (doing); pointless; hopeless (person)
fleeting life; this transient world; sad world; world of grief and worry; the world of the living; this life
duty; sense of duty; honor; in-law; relation by marriage
unworthy (of one's father, teacher, etc.); I; me; incompetent; unskilled; (arch.) unfortunate
pupil; disciple; adherent; follower; apprentice; young person
plate (e.g. nameplate, license plate); plate (dish); (tectonic) plate; (home) plate; pitcher's mound; plate; plate
going through; going via; going by way of
rigour; rigor; closeness; compactness; tightly knit
readiness to cooperate; framework for cooperation
locomotive; (train) engine
guest room (at a hotel); guest cabin (on a boat); passenger cabin (on a plane); drawing room
unintentionally; inadvertently; calmly; casually; nonchalantly; innocently
selecting a suitable person; personnel selection
accurate; precise; exact; appropriate; apt; right
the other day; previously; last time; last (Sunday, summer, etc.); previous (e.g. mayor, chapter)
dress; attire; clothing; getup; outfit; personal appearance