成语名称：如临深渊：be cautious as though at the brink of a deep abyss英语： be cautious as though at the brink of a deep abyss如临深渊造句...
成语名称：如临深谷：feel like standing upon the edge of an abyss英语： feel like standing upon the edge of an abyss成语近义： 如临深渊(rú lín...
小美情感网
