Pe̍k-go̍k (白鵠) sī Tiong-kok Sam-kok sî-tāi ū-miâ ê chi̍t chiah , mā hō-chò Pe̍k-ho̍k (白鶴). Pe̍k-go̍k sī Chô Chhò ka-cho̍k ióng-iú ê bé, Sam-kok sî-tāi ū sio̍k-gí án-ne kóng: "pîn-khong-hu-io̍k, chô-ka pe̍k-ho̍k" (憑空虛躍曹家白鶴).