some; a certain; indicates a specific person, place, or thing that is unnamed or indefinite; such-and-such

used to refer to oneself, often following one's surname or in formal historical contexts

(variant of 梅 méi) plum; plum flower; the Japanese apricot or Prunus mume; a deciduous tree that blossoms in early spring and is valued for its fragrance and ornamental beauty

a Chinese surname

used to refer to another person instead of using their name, often conveying a dismissive or impolite tone