terrain; geographical features; topography
rate; ratio; proportion; percentage
difference; variation; difference
feature; trait; characteristic; peculiarity; distinction
in terms of both ... and ...; from the perspective of ... as well as ...; whether it be ... or ...
coarse (texture or grain)
small; small-sized; small-scale; miniature
burden; load (e.g. CPU time, electricity, etc.)
to hunt (animals); to search (for a criminal); to go looking for (flowers, etc.); to gather (mushrooms)
to take over; to hand over
to get worked up; to be eager (enthusiastic); to rouse oneself
dangerous; risky; awful; terrible; terrific; amazing
combat; battle; action; active service; actual fighting
to obtain; to come into possession of; to get hold of; to get one's hands on
calm; composed; cool; quiet
to confute; to argue down; to persuade; to convince; to prevail on
with a rustling sound; (rummaging) around
to fish; to look for; to search for; to go on a spree (spending, reading, etc.); to binge
to take out; to produce; to pick out; to fetch; to retrieve
entirely; completely; cleanly; snugly
to fit into (a box, frame, category, etc.); to be contained within; to settle down (into); to be installed (in one's rightful place); to settle into (one's position); to take up (a post)
electronic device; electronic equipment; electronics
largish; biggish; a little bit larger
right-angled parallelepiped; cuboid; rectangular solid
yellow; high-pitched (voice); shrill
strap (often decorative for key-holder, mobile phones, etc.)
to be lucky; to be in luck; to be attached; to have; to be included
(one's) exclusive use; private use; dedicated use; use for a particular purpose; exclusive use (of particular products); using only (e.g. a certain brand)
intended for ...; oriented towards ...; aimed at ...
prevention of crime; security (device, camera, etc.)
buzzer; personal alarm (loud buzzer to attract attention in case of attack)
discouragement; despondency; dejection; disappointment
life; living; I; me; student
to carry around; to carry on one's person
embarrassed; feeling ashamed; feeling awkward
refreshing; exhilarating; invigorating; bracing
regrettable; vexing; upsetting; unthinkable; wholly unexpected
danger to oneself; (fear of) one's physical safety