言之有據 (jin4 zi1 jau5 geoi3) — Well grounded; to speak on good grounds; arguments based on facts in Cantonese
jinˎ₄言ziˉ¹之jauˏ₅有geoi˗₃據简 言之有据
Mandarin Pinyin: yan2 zhi1 you3 ju4
Meaning of 言之有據
nounWell grounded; to speak on good grounds; arguments based on facts