反義詞:危如累卵、搖搖欲墜、風(fēng)雨飄摧、岌岌可危,有時(shí)可通用,“堅(jiān)如磐石”偏重于“堅(jiān)固”,磐石:大石頭。同義詞辨析:“安如磐石”和“堅(jiān)如磐石”,形容非常穩(wěn)固,