William Ashmore

“ The Article. Often there is nothing to take the place of the Article. Yet when necessary, there are ways of expressing both the Definite and the Indefinite.
The Definite is indicated by simple emphasis, as, bī-sòu hó, the taste is good ”

“ The Indefinite is indicated by the help of the verb sĩ or ũ preceding the noun, or by the use of a classifier placed before the noun, When placed after the noun its significance is changed.
nâng lâi, a man comes. ”