primary cause; main factor
above ground; on the ground; earth's surface; this world; this earth
future (usually near); prospects
pleasant; agreeable; comfortable
to feel around for; to fumble for; to investigate; to probe into; to explore (parts unknown); to enjoy (natural beauty)
terrain; geographical features; topography
conditions of a location; suitability of a location; convenience of a location
atomic energy; nuclear power
to succeed; to relieve; to take the place of; to substitute for; to be exchanged; to change (places with)
possible; potential; practicable; feasible
energy; energy; strength; energy source; energy resource; food energy
scale; scope; plan; structure
science and technology; scientific technique
development; exploitation
to carry on one's shoulder; to shoulder; to bear; to bear (burden, responsibility, etc.); to take upon oneself
plans; arrangement; schedule; program; programme; expectation
where; which; anyway; anyhow; sooner or later; eventually
life; existence; (one's) working life; career; life force; lifeblood
to intimidate; to frighten; to scare; to threaten (e.g. peace); to jeopardize; to endanger
war; fighting; fierce competition
calamity; disaster; misfortune
epidemic; plague; pestilence
entrance; threshold; beginning; first step; start
to the end; to the bitter end; to the last; after all; it must be remembered; only
in one go; in one gulp; in one breath; immediately; instantly; right away
to drain; to pour; to wash away; to distribute (e.g. electricity over wires, music over a PA system, etc.); to circulate; to cruise (e.g. taxi); to float
recitation; reciting from memory
classic (work, esp. book); the classics
aimlessly; by chance; accidentally; casually; suddenly; unexpectedly
stranger; tramp; wanderer
(what) the heck; (why) in the world; one object; one body; one form; one style
superior; excellent; brilliant; outstanding
capable person; talented person; human resources; personnel
opposite side; reverse; (on the) other hand
information discovery; disclosure of information
(one's) speech; expression of views; discussion