Complex sentence: In June 1958, Shu was again categorized as an anti-revolutionary, and was sent to laogai in the construction field of Yuezikou Reservoir (月子口水库) in Qingdao.
Split into simpler sentences: In June 1958, Shu was again categorized as an anti-revolutionary. Under the theme of "reform through labor" or laogai, he was sent to work in the construction field of Yuezikou Reservoir (月子口水库) in Qingdao.