势均力敌双方势力相当不分高下。例吕惠卿始谄事王安石…及势钧力敌则倾陷安石，甚于仇雠。——《宋史苏辙传》英balance of forces; their strength and advantage of situation match each other;[查看详情]

旗鼓相当比喻双方力量不相上下。例这两支足球队旗鼓相当打得十分激烈。英be well-matched;[查看详情]

不相上下程度相等分不出上下。例能力不相上下。收成与邻近田地不相上下。英without much difference; be equally matched;[查看详情]

半斤八两八两：即半斤(旧制一斤等于十六两)。一个半斤一个八两，轻重相等。通常比喻彼此不分上下。较多用于贬义。例他胆小我的胆子也不见得大正是半斤八两。——叶圣陶《外国旗》英half a pound of one and eight ounces of the other; tweedledum and tweedledee;[查看详情]