粵典 (words.hk)香港短語
講緊某個人嘅是非，嗰個人又咁啱出現，就會講呢句或者前半句 ("speak of the devil", used when someone one has been talking about or gossiping against appears, sometimes in the form of the former half; literally: by day don't talk about people, by night don't talk about ghost)
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