(United States of) America; United States; US; America (land mass); the Americas
period; epoch; the times; those days; oldness; ancientness
announcement; publication; presenting; statement; communique; making known
to be worried; to be troubled
comparatively; relatively; unexpectedly; unusually; considering; for one's ...
common; ordinary; conventional; customary
starring (in a film, play, etc.); playing the leading part
unwelcome; nerdish; unpopular
dark; gloomy; depressed; dispirited; dark (in colour); dull; ill-boding
to raise; to elevate; to do up (one's hair); to fly (a kite, etc.); to launch (fireworks, etc.); to land (a boat); to show someone (into a room)
terminal; computer terminal; information access device (smartphone, tablet, book-reader, etc.); end (e.g. of a roll of film)
remote control; remote operation
painful; difficult; distressing; (psychologically) difficult; straitened (circumstances); tight (financial situation)
the most; the extreme; prime; conspicuous
barrier; obstacle; difficulty; hurdle; deadlock
uneasy; unsure; unreliable; untrustworthy; (arch.) nervous; (arch.) impatient
all members; all hands; everyone; everybody; whole crew
Five Dynasties (of China; 907-979)
the other day; a few days ago
international; diplomatic intercourse
repatriation; return; (electrical) feedback
in history; ever; historical
type; kind; type (of person); (ideal) type; typewriter; typing
trembling; getting nervous; excited; thrilled
twentieth day of the month; twenty days
International Space Station
thirtieth day of the month; thirty days
interval; period of time; among; between; good opportunity; chance
duty; function; office; mission; task
safety; security; safely; without incident; good health; inaction
to cross over; to cross; to pass through; to exceed; to surpass; to be more (than)
answer; reply; response; answer; solution; result
(within) the (Tokyo) metropolitan area
to face; to go towards; to head towards
to be late; to be delayed; to fall behind (in a race, one's studies, etc.); to lag behind; to be bereaved of; to be preceded by (someone) in death
at the height of one's power or influence; at the peak of one's popularity
doubt; question; suspicion; dubiousness
question; inquiry; enquiry