to work as the backbone (of); to bear responsibility (for); to be the mainstay (of); to be the central part (of)
one o'clock; once; at one time; for a time; for a while; a time
sign; indication; omen; symptom
not only ... (but also); not merely; as well as; furthermore; besides; moreover
to dig up; to turn up; to tear up; to rake up (e.g. old scandal); to dig over
serious damage; injury or loss; heavy blow
holding a ceremony; wedding ceremony
reservation; appointment; contract; subscription; programming (e.g. a device); setting (e.g. a timer)
sentiment; sentimentality
emergency; accident; rare possibility; unexpected occurrence
to speak one's mind; to be frank; to tell the truth
life or death; existence; destiny
hard to say; inexpressible; hesitant to say; embarrassing; delicate
looking someone in the eyes; taking a straight look at something
to follow; to pursue; to die right after a loved one; to kill oneself after the death of a loved one; to follow an example set by earlier generations (or one's master, etc.)
announcement; publication; presenting; statement; communique; making known
moribund state; near-death; barely alive condition
transportation; conveyance; delivery; hospitalization; transfer to hospital
top (of a mountain); summit; peak; height; orgasm; climax
dirty work; unpleasant task
to spend; to expend; to waste; to squander; to devote
to know (a person); to think
moving (location, with the times, etc.); change; metastasis; spread; transition (e.g. phase transition); transfer (of learning)
energy; energy; strength; energy source; energy resource; food energy
simple substance (e.g. chemical); something standing alone; separate item; solo item
situation; (present) state of affairs; circumstances
bounce; spring; momentum; impetus; moment; instant
interference; intervention; meddling
ultimate; final; last; eventual
means of transportation; transport service
since the dawn of history
gasoline engine; petrol engine
cruise; navigation; sailing
three dimensions; three dimensional; 3D; real world; IRL (in real life)
contribution (furthering a goal or cause); services (to a cause)