大张旗鼓 [- - qí ɡǔ](声势和规模很大) put up a pageantry; give wide publicity to ...; in a big way; on a grand [large] scale; with a flourish; with a great fanfare; with colors flying and the band playing：
•¶ 要大张旗鼓地开展爱国卫生运动， 减少疾病， 提高健康水平。 We must carry on the patriotic public health campaign with a great fanfare, reduce disease and improve health conditions.