one, single, a (article), as soon as, entire; whole; all; throughout, "one" radical in Chinese characters (Kangxi radical 1), also pr. [yao1] for greater clarity when spelling out numbers digit by digit
(main) hall, large room for a specific purpose, CL:間|间[jian1], relationship between cousins etc on the paternal side of a family, of the same clan, classifier for classes, lectures etc, classifier for sets of furniture