maintenance; preservation; improvement
speed; velocity; pace; velocity
as it is; as one likes; because; condition; state
comprehension; consent; understanding; OK; roger (on two-way radio)
to be careful; to pay attention; to take care
idiot; moron; trivial matter; folly; stupid; foolish
to shiver; to shake; to quake; to tremble; to quaver; to quiver
trembling with excitement
yes; that is correct; understood; I see; present; here; pardon?
sailing; marching; going out; dispatch
small child; kid; kiddy; tot; rug rat; ankle-biter
Mr.; Mrs.; Miss; politeness marker
than; from; out of; except; but; more
deep (colour); dark; strong (flavour, smell, etc.); thick (consistency); dense; strong (possibility, etc.)
quite; entirely; completely; as if; as though; just like
rock; boulder; crag; cliff; anchor
hard; solid; stiff; tight; strong; firm (not viscous or easily moved); safe
really (seem, appear, etc.); truly; evidently; in that way
if (it) doesn't exist; if there is no ...; if not ...; unless ...; have to ...; must ...
to flip; to snap; to repel; to use (an abacus); to calculate; to strum
overbearing; coercive; pushy; forcible; high-handed
to hang; to suspend; to lower; to reduce; to demote; to move back
light; illumination; ray; happiness; hope; influence
to enter; to go into; to break into; to join; to enroll; to contain; to hold
picture; drawing; painting; image (TV, film, etc.); picture; footage
when it becomes; when it comes to
to think; to consider; to think (of doing); to plan (to do); to judge; to assess; to imagine
unreasonable; unnatural; impossible; forcible; forced; excessive (work, etc.); immoderate
to be ...-ing; to have been ...-ing
the best one can do; one's best effort; with all one's might; to the best of one's ability
life; life force; lifetime; lifespan; most important thing; foundation
to stick; to paste; to stretch; to spread; to form (e.g. ice on a pond); to fill; to swell
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at
radio operator; telegraphist; telegraph operator; radio officer
second (unit of time); arc second
repeated at intervals; every other (day, week, month, ...)
to convey; to report; to transmit; to communicate; to tell; to impart
slowly; quietly; steadily; soon; momentarily; before long
increase; rise; growth; addition; increment
extinction; extinguishment; disappearance; annihilation