for grains of rice; one koku is equal to approximately 180 litres / (by extension, historical) for land of famous daimyo or samurai; one koku is also approximately 180 litres

counter for gemstones used as bearings in watches and other devices / (slang, electronics) counter for transistors, especially discrete ones

stone / needle made of stone / go stone / something solid but worthless / Short for 石見国 (Iwami-no-kuni): Iwami Province

stone; rock

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

completely, perfectly / absolutely, at all (in a negative sentence)

to try to save a little only to lose a lot; to spoil the ship for a ha'p'orth of tar; to be penny wise and pound foolish