五七幹校

1. • May 7 cadre school (farm where urban cadres had to undertake manual labor and study ideology during the Cultural Revolution) (abbr. for 五七干部学校 wǔqīgànbùxuéxiào)

Character by character

• 五(wǔ)five
• 七(qī)seven
• 幹(gàn)tree trunk
• 校(xiào)school