(what) the heck; (why) in the world; one object; one body; one form; one style
intention; plan; belief; assumption; estimate; estimation
speed; velocity; pace; velocity
Mach (number); (at a) fast speed
altitude; height; elevation; high-degree; high-grade; advanced
about; roughly; generally; on the whole; completely; quite
behind; in the rear; in back
to take down; to bring down; to drop off (a passenger); to let off; to withdraw (money); to use for the first time; to wear for the first time
to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe
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
easy; simple; there's no way that ...
twelve o'clock; noon; midnight
sky; the skies; high-altitude sky; upper air
covering; protection; backing; relief
no good; not serving its purpose; hopeless; wasted; cannot; must not
to be too numerous; to be too much
body; torso; trunk; build; physique; health
to move; to stir; to operate; to run; to make a move; to take action; to be touched
scary; frightening; eerie; dreadful
left-wing (politics); left wing (of a bird, aircraft, formation, etc.); left flank; left field
contacting; (making) contact; connection (with a train, bus, etc.); joining (a railway line, etc.); connection (between matters, incidents, etc.); relation
as is; as it is; as things are; like this; this way; at this rate
exchanging parts or equipment to effect a change in performance
wrong; not good; hopeless; past hope; must not do
I wonder; do you think?; I might; some kind; some stage; somehow
if; in case; as for; on the topic of; if that's the case; if so
immediately; right away; at once; instantly
right; correct; proper; righteous; just
direction; way; side (of an argument, etc.); one's part; type; category; field (of study, etc.)
may; might; perhaps; may be; possibly
that; the; part (as in "part two"); um ...; er ...
coincident with; while; simultaneously
how; in what way; by what means
you said; he said; if ... then; do you seriously think that; I already told you; you should know by now that; the said ...
to say; to utter; to name; to call; to go (e.g. "the alarm went ping"); to make a noise
bad; poor; poor (quality); inferior; evil; sinful; ugly
to turn back (e.g. half-way); to return; to go back; to recover (e.g. something lost); to be returned; to rebound
counter for occurrences; a time; an instance; inning (baseball); round; episode; chapter
I'm sorry; my apologies; may I come in?; permission; leave; dismissal
anti-aircraft; antiaircraft