[a rock projecting over the water near the big and small Gu mountains in river in Pengze County Jiangxi] 江西彭泽县大江中的大小孤山附近江侧的澎浪矶,宋代民间将孤讹作姑,将澎浪讹作彭郎,于是便有彭郎为小姑婿的传说