to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe
precondition; prerequisite
to continue to hold; to hold on to (for a long period); to maintain; to keep
dramatic; exciting; touching; extreme
bet; wager; stake; gamble
element (esp. component in electronics); elemental device; device; data; datum
ticktock; chinking (e.g. of a hammer against rock); knocking; dry and hard; (frozen) stiff; hidebound
mesh-patterned; webbed; cancellous; cancellate; reticulate; reticulated
picture element; image pixel; PEL
gear; cogwheel; cog (in an organization, company, etc.); cog in the machine
three primary colors (colours); trichromatic
five colors (usu. red, blue, yellow, white and black); five colours; many kinds; varied; melon; gourd
relic from an earlier age; something extremely outmoded
to accept; to receive (an application); to (be able to) take (food, medicine, etc.); to bear; to be affected by; to take damage from
only natural; no wonder; as expected; of course; as it should be
minuscule amount; extremely small quantity
long-term storage; long-term preservation
ideal; perfect; most suitable; just right
suffocation; choking; asphyxia
natural voice (without a microphone)
more and more; all the more; at last; finally; (at the) last moment; worst possible time
meeting face-to-face; seeing in person; facing (each other); opposing (traffic, etc.); confronting
to press against; to push against; to force against; to foist on (task, responsibility); to impose (one's will)
at first; in the beginning; originally
to get (someone's) help; to ask for help
(the products of) culture or civilization (civilisation)
lonely; lonesome; solitary; desolate
to create; to bring forth; to invent; to think up and bring into being; to give birth to; to bear
normal temperature; room temperature; constant temperature; fixed temperature
thickness; profundity; depth
ultraviolet rays; ultraviolet radiation
indifferent; half-hearted; dispirited; listless