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

to hide one's talents and conceal their existence

alive / lively / (of a machine or device) on; active; in operation

Synonym of セントクリストファー・ネイビス (Sento Kurisutofā Neibisu, “Saint Christopher and Nevis”): Saint Kitts and Nevis (a country consisting of two islands in the Caribbean)

record (most extreme known value of some achievement), such as in sports / recording

record

(dated) Synonym of キルギス (Kirigisu, “Kyrgyzstan”); Kirghizia

a kipper: a dried and smoked herring or salmon

a kippa: a skullcap worn by religious Jewish males

electrodynamics