dinner party; ceremonial dinner; dinner meeting (or lunch, breakfast)
to engage in lively conversation
quick on the uptake; quick to catch on; perceptive; intuitive
to succeed in doing; to manage to do; to finish doing
to set a deadline; to fix a time limit
to play dumb; to feign ignorance; to play the fool; to be in one's dotage
top; summit; twelve o'clock (usu. midnight); top of one's head; top of a helmet
thoroughly; through and through
New Year's Day; New Year's morning; morning of New Year's Day
latest version; latest edition
updating a software version; version upgrade; upgrading
human rights organization; human rights organisation
federation; federal state; United States of America
Federal Bureau of Investigation (US); FBI
Charles Grey, 2nd Earl Grey
Federal Bureau of Investigation; FBI
last century; ancient times
racial discrimination; racism
Central Intelligence Agency (US); CIA
person requiring special attention; person to be wary of; person under (police) surveillance; dangerous person
sign; indication; omen; symptom
foresight; foreknowledge; divination
Japanese (people, language, style)
same country; same province; the (said) country
secretary (government); director; chief
support (e.g. for an argument); backing; proof; evidence; corroboration; substantiation
Japan and the United States; Japanese-American
combination; union; incorporation; congruence