for a long time; since long ago; always; already; far in advance (e.g. reservation)
indeed; really; absolutely; truly; actually; very
direction; orientation; suited to; suitable for; tendency; inclination
monolith; large slab of rock
to sweep; to brush; to clean; to gather silkworms
ethics; ethical viewpoint; moral value; sense of duty; sense of ethics
competition; contest; rivalry; competition (between organisms or species)
fierce (fight, competition, etc.); severe; hot; hard; bitter; keen
something worthy of comparison; something being compared
to join (hands); to take (each other's hands); to scramble for; to struggle for; to pay attention to; to take notice of
the most; the best; peerless; the greatest; first-rate
live coals (for firelighting); cause (of disturbance, conflict, etc.); trigger
to be of no concern to one; to be nothing to do with one
assistant; helper; assistant (to a professor)
and; moreover; besides; as well as; and on top of that; at the same time
manageable; tractable; easy to care for; easy to deal with; easy to handle
challenge; defiance; dare; attempt; try
as (X, then Y); with; in accordance with; in proportion to
to continue (going along some trend)
failure teaches success; failure is a stepping-stone to success
to take another good look at; to reconsider; to analyze; to reexamine
dizziness; giddiness; vertigo
piercing; shrill; noisy; loud; clamorous; wild
to place both hands on the ground (to express respect, apology or to present a request)
gas (state of matter, e.g. poison gas, natural gas); gasoline; gas; dense fog; thick fog; gas stove
indispensable; essential; requisite; required; compulsory; necessary
paralysis; palsy; numbness; stupor
due to the nature of one's job; because of one's line of work
under the orders of; by order (command)
standing in a row; forming a line; alignment
to sniff out; to get wind of
sneak thief; petty thief; cat burglar
material for experiments; experimental material
to tag along; to follow; to tail; to leave tracks; to leave footprints
materials; data; document
one's own work; making by oneself