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
the Three Religions (Daoism, Confucianism, Buddhism) and Nine Schools (Confucians, Daoists, Yin-Yang, Legalists, Logicians, Mohists, Political Strategists, Eclectics, Agriculturists) / fig. people from all trades (often derog.)
the Mukden or Manchurian Railway Incident of 18th September 1931 used by the Japanese as a pretext to annex Manchuria / also known as Liutiaogou incident 柳條溝事變|柳条沟事变