at work; in the midst of work; working
promise; agreement; convention; rule; destiny; fate
I'm sorry; my apologies; excuse me; pardon me
bladder stones; cystoliths
to be found; to be discovered
picking out; taking out; (surgical) removal; exposure
necessary; needed; essential; necessity; need; requirement
somehow; how; in what way; why; what kind of
thing; matter; incident; occurrence; circumstances; situation; work
important; significant; precious; valuable; careful
to get better; to get well; to recover (from an illness); to be cured; to be restored; to heal
urgent; requiring quick (response)
cost of medical treatment; medical expenses; fees for treatment
permission; approval; authorization; to permit; to authorize
family; members of a family
foreign; abroad; overseas
travel; trip; journey; excursion; tour
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
I have nothing to do with it
promptly; immediately; quickly; indifferently
to take; to pick up; to pass; to hand; to get; to obtain; to adopt (a method, proposal, etc.)
to leave; to exit; to leave (on a journey); to depart; to move forward; to come to; to get to
that is so; that is right; it looks to me; people say that; it is said that; I hear that
to hurry; to rush; to hasten; to make something happen sooner
state; condition; situation; appearance; circumstances
to bear; to stand; to support; to withstand; to be fit for; to be equal to
time; hour; period; class
to restrict; to limit; to be restricted to; to be limited to; to be best (for); to be the best plan
breathing; respiration; knack; trick; harmony; balance
confirmation; verification; validation; review; check; affirmation
important; momentous; essential; principal; major
that; it; then; that point (in time); (arch.) there; (arch.) you
only; just; merely; as much as; to the extent of; enough to
definitely; absolutely; absolute; unconditional; absoluteness
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)
yes; that is correct; understood; I see; present; here; pardon?
to hold (in one's hand); to take; to possess; to have; to maintain; to keep; to last
stability; steadiness; equilibrium
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial