to pair up; to form a pair; to mate; to copulate; (arch.) to fix (an arrow to the string); (arch.) to place outriders on the left and right
experiment; experimentation
great success; huge success
guinea pig (Cavia porcellus); subject of an experiment; (human) guinea pig
you (people); gentlemen; ladies and gentlemen; my friends
to leave word with (a person); to state in one's will; to leave (something) unsaid; to forget to mention
assistance; help; aid; support; reinforcement
use; application; employment; utilization; utilisation
or something; for instance ... (though there are other suitable options); ... or ...; as soon as; right after; while still
disposal; throwing away; dealing with (a problem); measure; punishment; penalty
to receive; to get; to catch (e.g. a ball); to be struck by (wind, waves, sunlight, etc.); to sustain (damage); to incur (a loss); to undergo (e.g. surgery)
telephone call; phone call; telephone (device); phone
conflict; complication; troubles; discord
please; if you would; somehow or other; one way or another; whether (or not); if
radio wave; reception; signal; saying strange things
to reach; to touch; to be delivered; to arrive; to be attentive; to be scrupulous
life; living; I; me; student
source of electricity; electrical power; power (button on TV, etc.)
upright; honest; faithful; conscientious; sincere
running out of battery; battery depletion; going flat; loss of energy; depletion of stamina
outside (a region, area, etc.); out of range (of a mobile network, radar, etc.); outside the sphere (of influence, etc.); out of contention; out of reach
to be caught in; to be stuck in; to stop by; to drop in for a short visit; to get mixed up in (trouble); to get entangled in (a problem); to fall for (a trick)
disorder; disturbance; unrest
to let go by; to let pass; to overlook; to miss
implication; hidden meaning; latitude; atmosphere; tone; sentiment
to be connected (to); to be joined together; to connect (of a telephone call, the internet, etc.); to get through; to lead (to an outcome); to bring about (a result); to be lined up (e.g. of cars)
obstruction; hindrance; blocking; disturbance; interference; interruption
easy; simple; simple (way of thinking, etc.); simple-minded; soft; lax
to jump at; to leap at; to fly at; to spring at; to pounce on
scaffold; scaffolding; foothold; footing; foothold (e.g. in business); foundation
treasuring; cherishing; prizing; holding dear
collection (of art, stamps, etc.); collecting; collection (i.e. a range of new clothes); fashion show
several; a few; number; quantity; counting; calculation; number
dot; spot; mark (in an exam, etc.); grade; point (in a game); score; point
to ferry across (e.g. a river); to carry across; to lay across; to build across; to hand over; to hand in
(coming to an) agreement; consent; mutual understanding; accord; consensus
to leave (behind); to leave (undone); to not finish; to save; to set aside; to leave (to someone, esp. after one's death)
(villains) of the same stripe; birds of a feather; (lit.) badgers of the same hole
farewell; goodbye; adieu; if so; in that case; then