在“夏天送瓜、秋天送蟹”的背后1951年前后,是共和国的初春季节。但是毛泽东与周恩来,以及中央的许多领导,都同时感觉到一种寒气自四面袭来。这使他们产生了一种忧虑。这种忧虑既有来自内部的,也有来自外部的。它像白蚁一样迅速繁衍,啃噬着共和国的房梁。在党内,人们把它叫做“老虎”。到了1950年下半年,特别是进入1951年, Behind 1951 around the year of 1951 was the early spring of the republic. However, both Mao Zedong and Zhou Enlai, as well as many leaders of the Central Government, felt at the same time that a chill came from all directions. This gives them a worry. This concern comes from both inside and outside. It grows as fast as termites and bites into the beams of the Republic. In the party, people call it “tiger.” By the second half of 1950, especially into 1951,