both countries; Ryōgoku (area of Tokyo)
duchy; dukedom; principality
individual; separate; personal; case-by-case
wedded life; married life
to lead; to take the lead (in doing something); to precede; to go before; to die before (esp. one's spouse, parents, etc.); to be a prerequisite
empress dowager; queen mother
nth generation; nth (person to occupy a position, e.g. president)
Katharine; Katherine; Katheryn
extinguishing a fire; (Edo-period) fireman
needle (compass, gauge, etc.); hand (clock); indicator; guiding principle; guideline; guide
to cut deep into; to cut one's way into (an enemy position); to rush on; to press someone hard (e.g. with questions); to get to the heart of (a matter)
overbearing; coercive; pushy; forcible; high-handed
mid-stream; middle course; middle class
face; mask; face guard; (in kendo) striking the head; surface (esp. a geometrical surface); page; aspect
fear; dread; dismay; terror; horror; scare
you have only to; all you have to (do); all that's required; as long as; if only
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial