不违农时

Explanation: Violation: non-compliance. Not to delay the crop farming season. 　　Usage: Verb-object type; for the predicate; means do not miss the planting season 　　Source: Warring States Zou Meng Ke, "Mencius on King Hui of Liang": "do farm work in the right season, Google can be eaten." 　　Examples: ~, Reducing loss of working time, is also very important. (Mao Zedong's "rent reduction and the production is to defend the liberated areas of the two major events")