worst; worst-case (scenario)
to escape (disaster, death, etc.); to be saved from; to be rescued from; to avoid (e.g. punishment); to evade (e.g. responsibility); to avert
deep (hole, forest, snow, etc.); dense (e.g. fog); thick (e.g. weeds, woods); close (e.g. relationship); deep (involvement); intense (e.g. longing, flavor); severe
meddling; meddlesomeness; nosiness; meddler; buttinsky; busybody
at present; currently; so far; for now; for the time being
assuming that ...; supposing that ...
to advance; to move forward; to carry forward (plans, work, etc.); to proceed with; to raise; to elevate
with trouble; at great pains; rare; valuable; kind; generous
force; vigor; influence; authority; impetus; impulse
to chip (off); to shave off; to sharpen; to dampen (one's enthusiasm, interest, etc.); to reduce
infuriating; extremely irritating; galling; vexing
use; utilization; utilisation; application
you can't make an omelet without breaking eggs; a small sacrifice may be necessary to solve a more pressing problem
matter; affair; counter for (received) emails, text messages, voicemail messages, etc.; counter for accounts (on a website, email service, etc.)
heeding; paying attention; bearing in mind
ought to do; have to do; must do; feel obliged to
dangerous; in danger; facing imminent danger; precarious (situation); perilous (state, balance, etc.); in doubt
mountain range; mountain belt
source of river; fountainhead
meandering; snaking; zigzagging
northern sea; North Sea; Hokkaido
large river; epic (of a novel, drama, etc.); long-form; large-scale
once; before; formerly; never yet; never before; first time
to dig; to excavate; to delve into; to dig up (vegetables, treasure, etc.); to mine (coal, ore, etc.); to top
arrangement of stones in a garden
to harden; to freeze; to put together; to collect; to make secure; to stabilize; to fortify
plan; project; schedule; scheme; program; programme
large; big; great; prominent; -sized; as big as; university
(navigable) canal; waterway
not only ... (but also); not merely; as well as; furthermore; besides; moreover
cooperation; collaboration; association; community; communal use; common possession
to perform; to do; to conduct oneself; to carry out
draft (for a speech, bill, etc.)
stage; step; level; rank; order; stairs
setback; deadlock; standstill; impasse; miscarriage
north and south; north to south; South Korea and North Korea
split; division; break up
chance; start; opportunity; cause; reason; excuse