difficult problem; challenge
very; extremely; exceedingly; top; highest; best
offense; offence; method of attack
severe; harsh; stringent; rigorous; strict; unfair
to consider carefully; to deliberate thoroughly; to think over
to jar; to creak; to grate
to put in; to place inside; to be enthusiastic; to be engrossed; to be in high spirits; to be excited
middle; halfway; half (of); one half; half (e.g. done, jokingly); partly
with all one's strength; with all one's might
to entrust; to leave to a person
to blurt out; to let slip; to say inadvertently; to come out with (e.g. nonsense)
to push away; to thrust aside; to detach oneself from; to keep away from; to act coldly; to do without emotion
to take over; to capture; to seize; to hijack (vehicle, account, etc.)
duty; sense of duty; honor; in-law; relation by marriage
implicitly; indirectly; tacitly; by implication; obscurely
to light (a candle, lamp, etc.); to turn on (a light)
as soon as possible; as quickly as possible; speedily; without delay; ASAP
the future (usually distant); future tense; the world to come
bad; wrong; evil; no good; wicked; reprehensible
for a short while; for a while; for some time; for the time being
to make time; to carve out some time (to do something)
bare minimum; minimum necessary (amount, number, etc.)
piling up; accumulating; forming a (huge) pile; lying in piles
campground; campsite; camping-ground
pert; tomboyish; impudent; (arch.) gallant; (arch.) chivalrous
thin veneer; hasty preparation; knowledge or skill learned as a stopgap; re-tempering a dull sword (so that it looks as if it's sharp, but is actually unusable)
to come out all right; to take care of itself; to be OK
fame; reputation; popularity; rumour (rumor); talk
lack of ability; inadequacy; (being) out of one's depth
stature; height; size; physique
up through; up until; down to; from ... to ... (e.g. from head to toe); everything from ... to ...
(only) one option; one possible choice
(not) anything; (nothing) at all; (not) any
beginning and end; doing something from beginning to end; being unchanged from beginning to end; from beginning to end; the whole time
smiling; beaming; radiant; bright; cheerful
giving and taking; exchange (of letters); arguing back and forth; (conversational) exchange
placid; composed; big hearted; broad-minded; great quantity (of something)
to fly into a rage; to lose one's temper; to flare up; to break out
interest; eagerness; enthusiasm
to pour water (into); to dilute with water; to hinder; to hamper; to throw cold water on
hectic; bewildering; bustling; dizzy
reopening a shop after renovation; post-refurbishment reopening
congratulation; congratulations; celebration; congratulatory gift; present
to be treated to a meal; to be given a meal
special envelope for monetary gifts
incredible; extraordinary; exceptional; phenomenal
to be weary; to be worn out; to be fed up (with); to be sick of; to be dejected; to be dispirited