trial product; prototype model
to stagnate; to be delayed; to be left undone; to be overdue (of a payment); to fall into arrears; to be outstanding
increase in speed, acceleration
extraordinary; special; exceptional; non-standard grammatical construction; ungrammatical usage; solecism
being able to do as one pleases; doing at will; pothook
election; selection; choice
to one's heart's content; as much as one wants; as hard as one can; resolution; decisiveness; determination
common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
to be caught; to be captured; to be taken prisoner; to be seized with (fear, etc.); to be a slave to; to stick to
pouring one's energy into; focusing one's efforts on; concentrating on; committing oneself to
to keep company; to listen to; to associate with; to play against (e.g. a team); to take on (e.g. a rival)
it's OK to ...; it's best to ...; it's alright to ...
news; word; tidings; omen
to pin down; to immobilize; to immobilise; to control; to suppress
to deny; to contradict; to negate (esp. a sound); to drown out
to shout; to cry; to scream; to clamour
to joke; to jest; to make fun of; to laugh at; to romp; to gambol
basis; foundation; grounds; authority
lack of policy; having no measures; lacking means
fighting with one's back to the wall; having burnt one's bridges; last stand; from strategy of general Han Xin in the Battle of Jingxing
being argued into silence; being left speechless
revival from the brink of death; recovering from a hopeless situation; resuscitation; revitalization
to flash (e.g. lightning); to flicker; to flutter (e.g. flag); to wave; to flash into one's mind (e.g. an idea); to come to one suddenly
to blow away; to blow off; to dispel; to drive away; to talk big
to soar; to fly high; to be whirled up; to make merry; to be ecstatic; to be in high spirits
the vertical; height; front-to-back; length; north-to-south; vertical (relationship)
sudden drop; sharp fall; nosedive; swoop
to run up (a hill, stairs etc.); to dash up; to rush up
now (when it is already much too late); at this stage; afresh; anew; again
appendix; postscript; retrofit; post-installation; giving a reason afterwards; making an excuse after the event
to extend (building); to build on
to be confusing; to be different from what one is used to
measurement; size; extent; plan; intention; arrangement
power; might; authority; influence