change; transformation; inversion
threatening letter; intimidating letter
tone (of argument); tenor; drift
happy event; auspicious event; matter for congratulation
(the) mainstream; main course (of a river); main stream
palatial residence; stately mansion
heart disease; heart trouble; cardiopathy
doctor's visit; house call
attending physician; physician in charge; (one's) family doctor
surgery; operation; procedure; skill with one's hands; sleight of hand
to press a question; to cross-examine
heart; guts; nerve; central part
return current; convection; reflux
five and seven; 35th day after a person's death
start; beginning; first step; clue
(together) with; -wide; including
association; socializing; socialising; fellowship
latter half of one's life
environmental conservation
excavation; exhumation; discovery (e.g. new talent)
medical apparatus; medical instruments
treatise; monograph; study; paper (scientific, technical)
thin veneer; hasty preparation; knowledge or skill learned as a stopgap; re-tempering a dull sword (so that it looks as if it's sharp, but is actually unusable)
low-ranking samurai; rolling three and one (in a dice game)
teacher; master; religious leader; specialist; (arch.) five-battalion brigade comprising 2500 men (Zhou-dynasty Chinese army)
special order (goods); custom (made); bespoke
Sirius (star in the constellation Canis Major); Alpha Canis Majoris; the Dog Star
previously; already; for some time; for quite a while
float; raft; float (beverage with ice cream on top); float (finance)
to be used up; to be run out; to be exhausted; to be consumed; to come to an end
boy; son; child; mere boy; stripling; greenhorn
to enliven; to liven up; to cause a stir in (e.g. the newspapers); to make prosperous