outside; exterior; the open (air); other place; somewhere else
isn't it?; let's ...; why don't we ...; how about we ...
inhabitant; resident; citizen; population
central nervous system; CNS
study; research; investigation
mental illness; psychosis
regarding; in; to; towards; with regards to
isolation; segregation; separation; quarantine
tank (of liquid); tank (military vehicle)
by no means; never!; something unexpected; emergency; (arch.) currently; (arch.) for the time being
(hospital) nurse; registered nurse; RN
one person; being alone; being by oneself; being single; being unmarried; by oneself
to discover; to find (e.g. an error in a book); to locate; to find (e.g. something missing); to be used to seeing; to be familiar with
participation; joining; entry; adherence
dark; not understood; unknown
child (esp. a boy); viscount; founder of a school of thought (esp. Confucius); master; masters and philosophers (categorization of Chinese classical literature); (arch.) you; -er (i.e. man who spends all his time doing...)
(medical) doctor; physician
illness (usu. excluding minor ailments, e.g. common cold); disease; bad habit; bad behaviour; crazy; insane
sometimes; occasionally; at times; seasonal; of the season; appropriate (for the season or occasion)
the other day; a few days ago
I wonder; do you think?; I might; some kind; some stage; somehow
assistant; helper; assistant (to a professor)
to associate with; to keep company with; to go out with; to go along with; to follow someone's lead; to accompany someone
spring water; clear (pure) water
company; friendship; association; society; acquaintance
long (distance, length); long (time); protracted; prolonged
to; for; from the standpoint of; as far as ... is concerned
to save; to rescue; to help; to assist; to support (financially); to contribute (to)
as it is; as one likes; because; condition; state
family; members of a family
necessary; needed; essential; necessity; need; requirement
to grow up; to become an adult
to get better; to get well; to recover (from an illness); to be cured; to be restored; to heal
for a moment; for a minute; for a while; for some time; for the time being; for now
state; state of affairs; appearance; look; sign; indication
calmness; composure; presence of mind; stability; steadiness