archipelago; group of islands
band (e.g. conduction, valence); belt (e.g. Van-Allen, asteroid, etc.)
north; the North; northern territories; North Korea; (arch.) north wind
maritime transport; shipping
prosperous; flourishing; popular; widespread; active; lively
detour; circumvention; turning movement
practicality; utility; usefulness
(navigable) canal; waterway
to dig; to excavate; to delve into; to dig up (vegetables, treasure, etc.); to mine (coal, ore, etc.); to top
northern sea; North Sea; Hokkaido
raging waves; stormy seas; hardships; troubles; adversities
sea snake; worm eel (Ophichthidae spp.); snake eel
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
difficult voyage; stormy passage; hard flight; rough going; running into trouble; proceeding with difficulty
trial calculation; preliminary calculation; estimation
at this juncture; after all this time; at this stage; now
pie in the sky; castles in the air; (lit.) drawing of a rice cake
vassal state; vassal nation; dependency
inland sea; inlet; gulf; (arch.) lake
(foreign) trade; (international) commerce; importing and exporting
practical use; application; making good use of; conjugation; inflection
foreign trade; external trade
bounce; spring; momentum; impetus; moment; instant
have to (do, be); must (do, be); is indispensable; is absolutely necessary
frontage; width (of a building, plot of land, etc.); breadth (e.g. of one's knowledge); scope (e.g. of one's work); range
opening (of a new road, railway, etc.); going into operation (e.g. telephone communication); beginning services; reopening (e.g. of a road to traffic); resumption of services
stretching; extension; elongation
unrealistic; impractical; infeasible; unreal
to whisper; to murmur; to rumor; to rumour
(formal) announcement; unveiling; introduction; debut
what people say; rumours; public opinion
here and there; everywhere
here and there; in twos and threes; sporadically; now and then; from time to time; occasionally
plan; scheme; plot; design; project; intention
to wither; to wilt; to droop; to be dejected; to be disheartened; to be depressed