puzzling; tangled; complicated; complex
secret; secrecy; mystery; secret (e.g. to success); esoteric teachings
valid; effective; yuko (judo)
clue; lead; key; handhold; hold
having in mind; happening to know of; idea
state (US, Australia, India, Germany, etc.); province (e.g. Canada); continent; (arch.) dear
to glare at; to scowl at; to stare intensely at; to examine carefully; to estimate; to guess
wild; in disarray; harum-scarum; hysteric
to speak; to say; to vocalize
if (it) doesn't exist; if there is no ...; if not ...; unless ...; have to ...; must ...
majority; more than half; most (of); mostly; largely; mainly
by any chance; (should) it happen (that); by some chance
to get fed up with; to get sick of; to become disgusted with
trying to think of a way (to); devising means (to); working out (how to do); contriving (to raise money); managing
(getting a) perfect score; scoring 100; grading students on a scale of one hundred; doing perfectly (in a test); leaving nothing to be desired
unthinkable; unexpected; outrageous; offensive
certain amount; some; certain person; Mr So-and-so; (arch.) I; (arch.) me
solid; firm; steady; unshakeable; unwavering
breakthrough (research, etc.); breach; opening
failure; collapse; breakdown; break-up; bankruptcy
depending on the way ...; depending on how ...; according to how ...
weapon; arms; ordnance; weapon (something used to gain an advantage); asset
a kind; a sort; of sorts; something of a; sort of; somewhat
to be amazed; to be shocked; to be astonished; to be astounded; to be disgusted; to be exasperated
rear gate (esp. of castle); back entrance; one who arrests; force attacking the rear of a castle; (opponent's) weak point
indeed; really; absolutely; truly; actually; very
search (esp. for someone or something missing); manhunt; legally authorized search of a person, building, etc.
to contract; to undertake; to take over; to take responsibility for
to steal; to plagiarize; to steal (a technique, idea, etc.); to do stealthily; to do during scant time; to steal a base
daring; fearless; intrepid; bold; tough
trouble; bother; annoyance
where; which; anyway; anyhow; sooner or later; eventually
with a feeling of relief; with a sigh of relief; deeply (sigh)
load; baggage; cargo; burden; responsibility
to descend (e.g. a mountain); to go down; to alight (e.g. from bus); to get off; to step down; to retire; to be granted
to refuse; to reject; to inform; to give notice; to ask leave; to excuse oneself (from)
pure; true; genuine; unmixed
individual; private person; personal; private