舍妹

shèmèi
(humble) my younger sister

CEDICT

Entry Composition

1 舍 shè
  1. (bound form) residence; house
  2. (bound form) my (in speaking of relatives younger than oneself, as in 舍妹 shèmèi)
  3. (archaic) unit of distance equal to 30 li 里 lǐ
2 妹 mèi younger sister