safe; secure; certainly; surely; no thanks; I'm good
dysfunction (often medical); malfunction; insufficiency
(organ) rejection; unthinking dismissal; strong reaction (against)
right?; isn't it?; hey; say; you know; you see; will you?
transplanting (a plant); transplant; transplantation (of an organ, tissue, etc.); transplant; embryo transfer; embryo transplant
heart; guts; nerve; central part
diligently; seriously; perfectly; properly; sufficiently; satisfactorily
function; facility; faculty; feature
infectious disease; infection
worry; concern; anxiety; care; help; aid
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial
very; awfully; exceedingly; (not) at all; by no means; simply (cannot)
health; healthy; sound; fit
to lose consciousness; to faint; to black out
to face; to go towards; to head towards
that way; that direction; there; that (one); you; your family
to meet; to meet up; to rendezvous; to join (of roads, rivers, etc.); to flow together
talk; speech; topic; subject; discussions; negotiation; rumor
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
and; besides; because; since; the thing is; for one thing
don't worry; there's no need to worry
what; how many; many; a lot of; several; a few
to do; to carry out; to cause to become; to make (into); to serve as; to act as; to wear (clothes, a facial expression, etc.)
that is to say; so that means
have to (verb); must (verb); is indispensable; absolutely necessary
to think; to consider; to think (of doing); to plan (to do); to judge; to assess; to imagine
to be careful; to pay attention; to take care
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
still; as yet; (not) yet; more; (more) still; at least
be supposed or expected to (do); be sure to (do); ought to (do)
to use (a thing, method, etc.); to make use of; to use (a person, animal, puppet, etc.); to employ; to use (time, money, etc.); to spend
few; a little; scarce; insufficient; seldom
certainly; of course; even if; no matter (who, what, when, where, why, how); without even; without so much as; at the (least, earliest, etc.)
there (place relatively near listener); there (place just mentioned); that place; then (of some incident just spoken of); that (of point just raised); (arch.) you
difficult to ...; hard to ...
from now; from the present moment; from this time forward; henceforth
to turn back (e.g. half-way); to return; to go back; to recover (e.g. something lost); to be returned; to rebound
detailed; full; minute; knowing very well; knowledgeable (about); well-acquainted (with)
hospital; clinic; doctor's office; doctor's surgery; infirmary
occupation (e.g. of territory); exclusive possession
offender; criminal; culprit
biological child; one's own child