key; lock; key (to a problem); clue
employee (of a store); shop assistant; clerk; salesperson
all over Japan; throughout Japan
millions; several million; a few million
charm; fascination; glamour; glamor; attraction; appeal
in 8 or 9 cases out of ten; in all probability
pattern; behavioural pattern; behavioral pattern; predictability
to suffer; to groan; to be worried
painful; bitter; tough; difficult; cruel; harsh
any more; any further; any better; any longer
to work too hard; to try too hard; to strain oneself; to overdo it; to go too far
poor; pitiable; pathetic; pitiful
usual; ordinary; normal; regular; general; common
third day of the month; three days
special training; intensive training; crash course
self-study; teaching oneself; studying by oneself (at school) while the teacher is absent
to put in; to let in; to admit; to accept; to accept; to comply; to include
may; might; perhaps; may be; possibly
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
new type; new style; new model; new strain (e.g. infectious disease)
rolling stock; railroad cars; wheeled vehicles
emergency; extraordinary; unusual
business; task; use; purpose; for the use of ...; used for ...
battery; battery; pitcher and catcher
loading (on board); equipping; equipped (with); built-in
one's own strength; one's own efforts; self-salvation
to become possible; to become able to (do)
horizontal (as opposed to vertical); lying down; side-to-side (as opposed to front-to-back); width; side (of a box, etc.); beside
whole; all; general; gross; entire; overall
(arch.) the art of war; (arch.) martial arts; military force; the sword; valor; bravery
high speed; rapidity; rapid-service train (not as fast as express); rapid train
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
watch stand; watcher's seat; attendant's booth (e.g. at an onsen)
from the standpoint of; as a matter of (e.g. fact); aboard (a ship or vehicle); on top of; first volume (e.g. book); superior quality; best
digital signage display; electronic billboard; digital signage system
to grow up; to become an adult; to become big; to grow in size
very; extremely; excessively