釣大魚 [钓－鱼]

Jyutping diu3 daai6 jyu2
Pinyin diào dà yú

Definitions (CC-CANTO)
  1. literally: to catch a big fish; to catch a big criminal [colloquial]
Definitions (粵典–words.hk)
  1. 動詞、俚語
    破​咗​單​大案​；​捉到​個​大賊
    to net a big criminal, to make a big arrest; literally: to catch a big fish
    • 警方部署咗好耐，終於釣到大魚。
      警方部署咗好耐，终于钓到大鱼。
      The police has planned a long time and finally netted a big fish.
Examples (粵典–words.hk)
  1. Cantonese
    讲到钓大鱼，呢个牌子嘅鱼竿远胜于你手上中𠮶款。
    講到釣大魚，呢個牌子嘅魚竿遠勝於你手上中嗰款。
    • In terms of big games, fishing rods of this brand is far better than the one you are using right now.
Examples (Wiktionary)
  1. Mandarin
    同年六月，上海发表了《工人阶级说话了》，赓即展开了反“右派”斗争，大家这才明白，原来是“放长线钓大鱼”，让你浮出水面，一网打尽。
    同年六月，上海發表了《工人階級説話了》，賡即展開了反“右派”鬥爭，大家這才明白，原來是“放長線釣大魚”，讓你浮出水面，一網打盡。
    tóng nián liù yuè ， shàng hǎi fā biǎo le “ gōng rén jiē jí shuō huà le ” ， gēng jí zhǎn kāi le fǎn “ yòu pài ” dòu zhēng ， dà jiā zhè cái míng bai ， yuán lái shì “ fàng cháng xiàn diào dà yú ” ， ràng nǐ fú chū shuǐ miàn ， yī wǎng dǎ jìn ．
    • In June of the same year, an article titled "The working class has spoken out" was published in Shanghai, which was immediately followed by the Anti-Rightist Campaign. Then the people realized that it was a long-term plan to make [the "Rightists"] identify themselves and catch them all.