nature; natural; spontaneous; naturally; spontaneously
it doesn't matter what; anything is fine
for example; for instance; e.g.
dream for the future; hopes for the future
details; particulars; whole story; sequence of events; chronology; circumstances
temporary; provisional; interim; special; extraordinary; extra
teacher; instructor; teaching staff; faculty member
continuously in some state (for a long time, distance); throughout; much (better, etc.); by far; far away; long ago
study; research; investigation
job; work; duties; trade; skill
as a child; when one was a child; childhood
professor; teaching; instruction
being in charge (of an area of responsibility); being responsible (for a work role, etc.)
to invite; to ask (someone to do); to tempt; to lure; to induce (tears, laughter, sleepiness, etc.); to arouse (e.g. sympathy)
thank you for the meal; that was a delicious meal; what a wonderful meal
counter for buildings (esp. houses); suffix for a pen name, stage name, etc.
never mind that; don't worry about that; listen up
hard; solid; stiff; tight; strong; firm (not viscous or easily moved); safe
no good; not serving its purpose; hopeless; wasted; cannot; must not
association; socializing; socialising; fellowship
to cherish; to treasure; to prize; to take good care of; to look after
to stop (an activity); to cease; to discontinue; to cancel; to abandon; to give up
estimate (of costs); budget
cut; reduction; curtailment
laboratory; seminar room; professor's office
heavy; weighty; heavy (feeling); depressed; slow; sluggish; important (position, responsibility, etc.)
certain; sure; definite; reliable; sound; solid
to pull; to tug; to draw (attention, sympathy, etc.); to attract (e.g. interest); to draw back (e.g. one's hand); to draw in (one's chin, stomach, etc.); to draw (a card, mahjong tile, etc.)
serious; earnest; real sword (as opposed to a wooden practice weapon)
although; despite; whereas; while; if only; I wish
that; the; part (as in "part two"); um ...; er ...
attitude; manner; behaviour; attitude (towards an issue, etc.); position; stance
roller coaster; big dipper
to get on (train, plane, bus, ship, etc.); to get in; to get on (e.g. a footstool); to step on; to reach; to go over; to follow
I see; that's right; indeed
to study (in depth); to learn; to take lessons in
fear; dread; dismay; terror; horror; scare
feeling of tension; air of tension; tension; nervousness
joint ownership; co-ownership; sharing (e.g. a viewpoint); sharing (files, devices on a network, posts on social media, etc.)
men and women; man and woman; both sexes; both genders
amorous feelings; feeling of being in love