flight dynamics; aerodynamics; aeromechanics
steel frame; steel beam; steel girder
artificial object; man-made object; artifact; artefact
still; as yet; as it has been
indescribable; inexpressible; unspeakable; indefinable; nobody can tell
rock; boulder; crag; cliff; anchor
passage; path; route; one's way
invisibly; secretly; privately
class (e.g. school); grade; rank; kyū; kyu; junior rank in martial arts, go, shogi, etc.
if I'm forced to say something; if anything; if I must say; if I must choose
picking; collecting; harvesting
descent; fall; drop; passing down (of an order, decree, etc.)
to stick; to paste; to stretch; to spread; to form (e.g. ice on a pond); to fill; to swell
programme; program; plans; arrangements
comprehension; consent; understanding; OK; roger (on two-way radio)
time of emergency; (in an) emergency
going up and down; ascent and descent; climb and descent
there; over there; genitals; private parts; that far; that much
living flesh; flesh and blood; physical body of Buddha or a bodhisattva
to flow into; to pour into; to stream into
waterfall; (arch.) rapids
birth and growth; giving birth and raising; development; breeding
fail-safe; foolproof; totally safe
truth; reality; sincerity; honesty; content; substance
latex (milky fluid found in plants); milky lotion (cosmetic); body milk
to tear to pieces; to tear to shreds; to pick (e.g. fruit); to pluck; to do ... heavily; to do ... heartily
leaf; blade (of grass); (pine) needle
vine; bine; bow; temple arm; connections; contacts
red; red color (colour); red-colored; red; communism; the left