小四 [－－]

Jyutping siu2 sei3
Pinyin xiǎo sì

Definitions (Wiktionary)
  1. noun
    fourth year in primary school; fourth grade
  2. noun
    The size of type between 四 (4) and 五 (5), standardized as 12 point.
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我比你小四个月。
    我比你小四個月。
    wǒ bǐ nǐ xiǎo sì gè yuè 。
    • I am four months younger than you.