extra; more; unnecessary; needless; all the more; even more
isolation; segregation; separation; quarantine
in the twinkling of an eye; in a flash
truth; reality; seriousness; logical truth; printed style writing; star performer
metamorphosis; disguise; transformation; shapeshifting; morphing
older sister; elder sister; young lady; miss; ma'am
number of days; period of days; daily interest rate
analysis; analytical study; parsing; parse
meddling; interfering; choosing to keep the drawn tile and discarding a different one
research establishment; research institute; laboratory
voice; speech; sound of a voice; sound (e.g. of a TV)
to inform; to notify; to know; to reign
that's true; of course; obviously
special someone; special person; precious one; significant other
thief; burglar; robber; theft; burglary; robbery
to work (for); to be employed (at); to serve (as); to act (as); to conduct a religious service
news coverage; collecting data (e.g. for an article); covering (something for media); interview
maintenance; servicing; putting in place; establishment; development
abduction; kidnapping; kidnaping
yikes!; eek!; ook; eek; customer
injury; wound; mistake; accident; loss
to torment; to pain; to inflict (physical) pain; to harass; to cause (emotional) pain; to afflict
mobile telephone; cellular telephone
to peek (through a keyhole, gap, etc.); to look down into (a ravine, etc.); to peek into (a shop, bookstore, etc.); to sneak a look at; to take a quick look at; to peep (through a telescope, microscope, etc.); to stick out (a scarf from a collar, etc.)
mask; disguise; guise; mask
goblin; apparition; monster; ghost; phantom; spectre
seal; to seal (e.g. a letter); to affix a seal; to seal up
why; oh; no!; quit it!; stop!
to ask; to enquire; to query
dangerous; risky; awful; terrible; terrific; amazing
(just) making sure; just to be sure; just in case; for caution's sake
lie; fib; mistake; error; unwise move; bad decision
trouble; troubles; worry; distress; sorrows; anguish
time (three times, each time, etc.); times
to go; to come; to be defeated; to collapse; to be annoyed; to be nonplussed
mutually; with each other; reciprocally; together; both
very; greatly; much; just about to; almost; very nearly
easy; trifling; harmless; nothing of the sort; not at all
skip it; drop it; I've had enough (e.g. when offered something); that's enough
to swear; to vow; to take an oath; to pledge
to talk; to chat; to chatter
shock (psychological); crisis (esp. financial); event that rattles the markets; shock (physical, mechanical); shock (e.g. due to lack of blood flow); trauma