gait; walk; stride; trace (e.g. of route taken by hunted criminal); track; trail
light; easy; non-serious; minor
since; henceforth; ever since
opposite side; bottom; rear; back; lining; inside; in the shadows
emergency staircase; fire escape
to become locked; to lock
time of emergency; (in an) emergency
scary; frightening; eerie; dreadful
to ascend; to go up; to climb
ghost; specter; spectre; apparition; phantom
to intimidate; to frighten; to scare; to threaten (e.g. peace); to jeopardize; to endanger
memories; recollections; reminiscence
right under; directly below; right beneath
bright (esp. of the moon); broad and empty
that is to say; so that means
have to (do, be); must (do, be); is indispensable; is absolutely necessary
single; solo; solitary; just one; only one
suddenly; abruptly; unexpectedly
boiling; seething; becoming heated (e.g. of a debate); excitement; soaring (of prices); shooting up
simmer; bubble out; flow out
pent-up resentment; grudges and hard feelings
gurgling (e.g. of water); burbling; bubbling; glugging
throat; singing voice; gutter (inner margins of a book)
to overflow from something full
old; aged; long; since long ago; of the distant past; long-ago
to dance (orig. a hopping dance); to be manipulated; to dance to someone's tune
to be mixed together; to be blended; to intermingle; to commingle
here and there; various places; all around; muddled; confused; in the wrong order
to jump up and down; to hop
bubble; foam; froth; suds; lather; head (on beer)
trouble; hardship; difficulty; anxiety; worry; concern
sleep; sleeping; inactivity; death
to get up (from sitting); to stand up; to (finally) start to do something; to get off one's backside; to take action