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Jyutping si6 daai6
Pinyin shì dà

Definitions (Wiktionary)
  1. verb, historical, verb-object
    (of small states) to serve the great country (China)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    报纸对于那件事大篇幅的报导。
    報紙對於那件事大篇幅的報導。
    bào zhǐ duì yú nà jiàn shì dà piān fu de bào dǎo 。
    • The newspapers devoted a lot of space to the affair.
Examples (粵典–words.hk)
  1. Cantonese
    起草故事大纲
    起草故事大綱
    hei2 cou2 gu3 si6 daai6 gong1
    • to draft the outline of a story
  2. Cantonese
    中武肺 事小,入隔离营事大。
    中武肺 事小,入隔離營事大。
    zung3 mou5 fai3 si6 siu2, jap6 gaak3 lei4 jing4 si6 daai6.
    • Getting covid isn't that bad. Staying at the isolation camp is much worse.