cavity; hollow; cave; hollow
pipe; tube; gun barrel; gun; cannon; well lining
forcibly; by force; against one's will
to be open (to traffic); to lead (to); to flow (of a liquid, current, etc.); to pass (through); to be conveyed (of an intention, meaning, etc.); to be understood (by); to be well versed (in)
to crack; to get cracked; to develop a crack; to develop a fissure
a little; some; somewhat; amount; quantity; number
faithful; devoted; loyal; honest; true
spewing; gushing; spouting; eruption; effusion
suddenly (appear, stick out, etc.); abruptly (happen); (stand) still and expressionless; imposingly; suddenly (stand up); abruptly (rise)
Vocaloid; singing voice synthesis software, or a humanoid persona voiced by such software
live (broadcasting, music, etc.); live performance; live concert; resonant (room, etc.); reverberating
studio bus; bus used by actors, etc. during film and TV production
(weather) front; front line; the front; battlefront
tactics; strategy; military operation; naval operation
at the present time; as of now; at this time
failure; collapse; breakdown; (arch.) tear (in clothing, etc.); (arch.) rip; (arch.) split
ongoing; in progress; afoot
depending on; as soon as; immediately after; as (e.g. "as one is told", "as one wishes"); whatever (e.g. "whatever is at hand"); order; program
with a start; with a jump
to (make something) quiver; to shake; to tremble; to vibrate
to stick (into); to pierce; to enter at full speed; to hit (e.g. the catcher's mitt) at speed
native people; aboriginal; indigenous people
to handle (men); to master (a tool); to manage; to acquire a command of (a language)
hearth; fireplace; furnace; kiln; young girl; childlike young woman
by all means; at all costs
to get back; to regain; to recover; to make up (for); to catch up on
specific gravity; relative density; relative importance; weight
to swell up; to bulge; to swell (of a budget, population, etc.); to increase significantly; to balloon
resonance; sympathy (with a view, idea, etc.)
to lift up; to hold up; to give; to present; to do (for someone)
to stab (into); to thrust (violently); to plant (in the ground, snow, etc.); to set; to stick (upright)
tire track; traces of a person or thing; path one has taken; locus
to trace (drawing); to follow; to imitate; to copy; to reproduce
overhead; above one's head; high in the sky
change to ...; becoming ...; making into ...; -ization; -ification
to bear; to stand; to endure; to put up with