mystery; mysteriousness; secret
elucidation; explication; explaining; unravelling; clarification; understanding
to grapple with; to wrestle with; to engage in a bout; to tackle (e.g. a problem); to come to grips with; to work hard on
head; brains; intellect; understanding
work; labor; achievement; performance; salary; income
by means of; due to; because of; according to
movement; move; motion; trend; development; change
the person in question; the person themselves; said person
appearance; (outward) looks; exterior appearance
sick person; patient; invalid
concrete; definite; specific; material; substantial
what kind of; what sort of; what; no matter what (kind of); whatever; any
symptoms; condition (of a patient)
left hand; left-hand side; left-hand direction; (on) the left
root; joint; base; crotch
convulsion; cramp; spasm; tic; twitch; fit
elder brother; one's senior; older man; man older than oneself
what is called; as it is called; the so-called; so to speak
orthopaedic surgeon; plastic surgeon
transformation; variation; metamorphosis; modification; deformation; variety
magnetic resonance imaging; MRI
to take (a photo); to record (video, audio, etc.); to make (a film)
contraction; narrowing; stricture; stenosis
beginning; start; outset; at first; at the beginning; initially
denial; negation; negation (logic); NOT operation
to reason; to sum up; to conclude
grip (of hand); grip strength
to weaken; to grow weak; to be downcast; to be dejected; to be troubled; to be at a loss
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
member of an assembly; member of the Diet; member of parliament; member of Congress
activity (of a person, organization, animal, volcano, etc.); action; movie (esp. during the silent movie period)