是必有故 (si6 bit1 jau5 gu3) — there must be a reason in Cantonese
siˍ₆是bitˉ¹必jauˏ₅有gu˗₃故Mandarin Pinyin: shi4 bi4 you3 gu4
Meaning of 是必有故
nounthere must be a reason
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