origin; source; base; basis; cause; ingredient; material
speaking of ...; when it comes to ...; as for ...; if one were to say ...
number of times; frequency; count
rapid increase; proliferation; surge; explosion
fatigue; weariness; exhaustion; tiredness
accumulation; accumulate; store
to thrust (something) into (something); to cram; to plunge into; to charge into; to delve into (a matter); to go into depth; to press (someone) about
around there; near there; or thereabouts; or so; such a matter; such a thing
to understand; to comprehend; to become clear; to be known; I know!; I think so too!
than; from; out of; except; but; more
simple; plain; uncomplicated; straightforward; simple-minded; naive
labour shortage; labor shortage; shortage of workers; shortage of hands
willingness (e.g. to do something); eagerness; motivation; inspiration; determination; high aspirations
with these words; while saying
suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
viewing through a window; passing through a window; going through a window; doing through a window
to be seen; to be in sight; to look; to seem; to come
scenery; scene; landscape
to take notice (of); to pay attention (to)
to stop (moving); to come to a stop; to stop (doing, working, being supplied); to come to a halt; to alight; to perch on
car; automobile; vehicle; wheel
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
figure of a person; figures of people; shadow of a person
luggage; baggage; burden; payload (of a packet, cell, etc.)
to carry on one's back; to be burdened with; to take responsibility for; to have (something) in the background; to be in front (of something); to be conceited
young; youthful; immature; green; low (number); small
woman; female; feminine gender
suit (clothing); suit (playing cards)
breast; chest; pit of the stomach; solar plexus; epigastrium
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.)
uncharacteristic; unbefitting; unworthy (of)
innocent; naive; artless; unsophisticated; pure; fresh
atmosphere; mood; a certain air; presence; (Earth's) atmosphere
person; character; one's character; one's personality; able person; talented person
new; novel; fresh; recent; latest; up-to-date
person; someone; human beings; mankind; human (Homo sapiens); (other) people; others
new face; newcomer; rookie; modern humans (from Cro-Magnon man onwards)
Mr.; Mrs.; Miss; politeness marker
assignment (of a person to somewhere); attachment (of a person to another unit, organization, etc.)
maintenance; servicing; putting in place; establishment; development
department; section; course (of study); branch of study; (taxonomical) family