obsession; fixation; complaining; criticizing; speciality (e.g. of restaurants)
to be packed (with); to be full (space, schedule, etc.); to be blocked (road, pipe, nose, etc.); to be clogged; to shorten (width, interval, etc.); to shrink (shirt, word form, etc.); to be at a loss
aperture; bore; calibre; caliber
20 years old; (arch.) twenty
newton (N) (SI unit of force); Newton (Sir Isaac)
equation; formula; ceremony; style; (arch.) enforcement regulations (of the ritsuryo)
lens-barrel; lens tube (e.g. of a telescope)
concerning; regarding; per (e.g. 100 yen per person); for every
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
optical axis (of a lens, spherical mirror, etc.); optic axis (of a crystal)
adjustment; regulation; coordination; reconciliation; tuning; fixing
emergency; extraordinary; unusual
trouble; bother; trouble; difficulty; care; attention
to make a mistake (in); to commit an error (e.g. in calculation); to confuse; to mistake something for something else
immediately; right away; at once; instantly
to that extent; accordingly; that being the case; that state; that condition
minute; micro; detailed; delicate; subtle
colour; color; complexion; skin colour; look (on one's face); expression; appearance
camera shake; picture blur; deviation; slight shifting
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
difficult to ...; hard to ...
center; centre; middle; -centered; -centred; -focused
image; figure; figure; form; image
sharp (blade, image, mind, etc.); sharp; number sign; hash sign; mechanical pencil
distinctly (standing out); clearly; in sharp relief; boldly
to hit; to expose; to apply (e.g. patch); to put on; to allot; to call on someone (e.g. in class); to guess (an answer)
Summer Triangle (asterism)
form; tense; adjective; i-adjective (in Japanese)
to be tired of looking at
furthermore; again; after all; more and more; moreover; even more
seat; place; position; status; gathering; party; stand
focus (e.g. photographic); focal point
to match (rhythm, speed, etc.); to join together; to unite; to face; to be opposite (someone); to compare; to check with
composition; construction; formation; makeup; structure; organization
class; order; et cetera; etc.; equal; iso-
five; five years of age; eight o'clock (old time system)
first class; first rank; one degree; one level; most; best
beautiful; pretty; lovely; sweet; pure (heart, friendship, etc.)