sequence; progression; several lines; several rows
closely (packed, lined up, etc.); tightly; densely; (work) sufficiently
to make a list; to enumerate
those (near the second person)
usual; ordinary; normal; regular; general; common
strange; odd; peculiar; queer; curious
he; she; that person; that; that one; that thing
isolation; segregation; separation; quarantine
(computer) command; command key; commando
to run; to run (of a vehicle); to drive; to rush (to); to dash; to retreat; to flee
extinction; extinguishment; disappearance; annihilation
check; plaid; checking; monitoring; check (banking); cheque
or; either ... or; maybe; perhaps; some ... and others ...; sometimes ... and at other times ...
document; writing; letter; document addressed to someone
ace up one's sleeve; trump card; secret skills; secret; (arch.) left hand
preservation; conservation; storage; saving (e.g. to disk)
secret trick; hidden method; trick of the trade; cheat (in a video game)
to jump in; to leap in; to plunge into; to burst in; to barge in
machine; mechanism; instrument; appliance; apparatus
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)
to go past; to pass; to pass by
field of vision; visibility; view; visual field; (one's) ken
to conceal (oneself); to hide; to abscond; to deceive; to dissemble; to fool
multi-floor building; multi-storey building; bill
background; scenery; background (of an incident, situation, etc.); circumstances; backing; support (from behind the scenes)
contour; outline; summary; outline; looks; features
to pollute; to contaminate; to soil; to disgrace; to dishonour; to dishonor
slowly; inefficiently; tardily; dawdling
elevator; lift; elevator (aviation)
to get on (train, plane, bus, ship, etc.); to get in; to get on (e.g. a footstool); to step on; to reach; to go over; to follow
breathing; respiration; knack; trick; harmony; balance
to pierce through; to break through
to spread one's roots (of a tree, etc.); to take root (of an ideology, etc.)
root (of a plant); root (of a tooth, hair, etc.); center (of a pimple, etc.); root (of all evil, etc.); source; one's true nature
commercial paper; CP; communist party; CP; cerebral palsy; cerebral paralysis; counterpurchase
attentive; cautious; careful; watchful
observation; survey; watching