lowest common denominator
noun uk/ˌləʊ.ɪst kɒm.ən dɪˈnɒm.ɪ.neɪ.tər/ us/ˌloʊ.ɪst kɑː.mən dɪˈnɑː.mə.neɪ.t̬ɚ/
(NUMBER)
[ C usually singular ] mathematics specialized最小公分母
the smallest number that can be exactly divided by all the bottom numbers in a group of fractions
(LEAST INTELLIGENT)
the lowest common denominator[ S ] （品位较低的）社会大众
used to refer in a disapproving way to the sort of people in society who are least intelligent and who will accept low-quality products and entertainment
The problem with so much television is that it is aimed at the lowest common denominator. 如此多电视节目的问题在于其定位于迎合大众的口味。