as solid as rock
... 安如泰山 = as solid as a rock 安如磐石 = as solid as rock 安娜 = Anna (person's name) ...
安如盘石,汉语成语,拼音是ān rú pán shí,意思是像盘石一样安稳不动;形容非常稳固,不可动摇。出自《荀子·富国》。