to be at a loss for words; to be speechless; to be dumbfounded; to be struck dumb
to dig down; to dig into (a matter); to delve into; to probe into
middle stage; middle phase; middle game; midfield
opening (in a game of go, chess, etc.); early stages; initial phase; outset
breach of manners; breach of etiquette
how others look at you; what others think about you
overcrowding; crowded; congestion
elbowroom; leeway; room; reserve; margin; allowance
noisy; loud; much talked of; much-discussed; strict; severe
(one's) workload; amount of work (to be) done by one
to be imaginable; to be conceivable
to work assiduously; to give one's all; to make the utmost effort; (lit.) to make (grind) one's body into dust
self-sacrifice; self-renunciation
to make light of; to ignore; to slight
custom; habit; customary practice
citizen; resident; person; user (of a website, esp. as a collective, e.g. Twittersphere)
tone (of argument); tenor; drift
to be born; to come into this world
to bear up in tragedy; to stand pain well; to hold one's temper; to clench one's teeth; to grit one's teeth
assumption; supposition; hypothesis
crown prince; Prince Shōtoku
selection; classification; sorting; screening; triage
ingenuity; inventiveness; creative originality
close examination; careful investigation; investigation of a crime; inquiry into someone's guilt; winner (of the most rounds, i.e. a full game); (arch.) reciting and appreciating traditional poetry
to attack the enemy in his unguarded moment
eighth day of the month; eight days
roll (e.g. of cloth); winding (e.g. watch); volume (of book); speeding up; heel (of a Japanese sandal)
to split finely; to splinter; to get frayed; to become irritable; to feel on edge
burly; strong; indomitable; indefatigable; robust (vitality, appetite, economic growth, etc.); strong
whispering; subdued; murmuring; dry and tasteless
to keep in pace with; to keep up with; to follow (someone's thought); to understand
proud; having a prominent nose
one's junior; younger generation; next generation; moving backwards; backing up; reversing
northern part; the north (of a region)
biological child; one's own child
to rouse anger; to provoke wrath; to offend
office hours; business hours; working hours
to be in disorder; to lie scattered around
and so; therefore; for that reason
difficult to ...; hard to ...