eldest son (may be the only son); first-born son
these days; nowadays; recently; lately
knot; tying; bundle; lumping; conclusion; ending
sphere; globe; ball; sphere; counter for pitches
crystal structure; crystalline structure
to brew (sake, etc.); to cause; to bring on; to bring about
chemical; chemical agent; chemicals
on the surface; ostensibly; superficially; apparently
very caring; kind; helpful; service-minded
to be full; to wax (e.g. moon); to rise (e.g. tide); to mature; to expire
research project (e.g. at school); independent research
gold prize; gold award; gold medal; first-place prize
(compulsory) retirement (on reaching retirement age); mandatory retirement
information security; information protection; data security
alumni association; graduates' association; alumni meeting; class reunion
ill-bred; impolite; rude; impudent; insolent; blunt
knowing only too well; being fully aware of
to frown (on); to be grim-faced; to look sullen
reason for living; something one lives for; purpose in life; raison d'être; ikigai
it was, wasn't it?; must have been; I think (it was); how might it have been?
good story; heartwarming story; good prospect (e.g. marriage, business)
obstinate; stubborn; obdurate; headstrong; willful; perverse
book; booklet; story book; pamphlet; notebook
memorization; memorisation; learning by heart
dispatch; despatch; transmission; informing (e.g. of opinion); sharing (thoughts, etc.); telling
default settings; initial settings; initial configuration; initialization; initialisation
suburb; residential area on the outskirt of a city; commuter belt
commuter town; bedroom community; dormitory town
loop line; (transportation) belt line
letter; news that flowers have bloomed
harmless (remark, topic, etc.); inoffensive; safe; bland; neutral (attitude); noncommittal (reply)
pet name; nickname; affectionate name; term of endearment
utility pole; power pole; telephone pole; telegraph pole
lot number; house number; address; residence; address; memory address