1923年京汉铁路工人在中国共产党领导下举行的反帝、反军阀的政治罢工。2月7日，军阀吴佩孚在汉口、长辛店等地镇压罢工工人，造成流血惨案，所以这次罢工叫二七大罢工。

1.the Great Strike of February 7, 1923 (an anti-imperialist, anti-warlord strike of the Beijing-Hankou Railway workers led by the Chinese Communist Party)