country in civil war; country disarrayed by war; Warring States period (Japan, China); competiton in which there are several evenly-matched participants; hotly-contested game (match, market, etc.)
to collude (with); to conspire (with); to make friends with; to get along well with; to become intimate (with opposite sex); to establish a secret liaison (with)
to grovel; to go down on one's hands and knees
vent; ventilation opening
reserve; spare; treasured; valued; (ace) up one's sleeve; trump
(connecting) passageway; accessway; walk-through; skyway; sky bridge
scientific capability; scientific ability (e.g. of a student); scientific strength (e.g. of a country); level of technological development
clan; partisans; participation (e.g. in a plot); one flavour; one charm; one ingredient (in traditional Chinese medicine)
garbage can; rubbish bin; trash can; dustbin
to acquire a position; to hold an appointment
known as ...; also known as ...; called ...; AKA
extreme foolishness; grave stupidity; big fool; damn idiot; utter fool
hidden reserves of strength; latent energy; potentiality; real strength
to annoy; to cause trouble
to be intolerable; to be unpardonable
world peace; peace of the world
funeral; burial; condolence
to disappear; to vanish; to go; to leave; to die
cold; indifferent; unfriendly; unsympathetic; unkind
human experiment; human experimentation; experiment on a living person
to concede one is entirely in the wrong (for the sake of argument)
(field) marshal; (fleet) admiral; general of the army
lieutenant general; vice-admiral
insolent fellow; rude fellow
keep ...-ing; have been ...-ing; leaving (something) on; leaving (something) still in use
looking for something; searching for something; object being sought
with all due respect; I'm sorry, but ...; I'm afraid ...