Zhèngfǔ qǐdòng le yī xiàng quánguóxìng de diàochá.
The government launched a nationwide investigation.
Tips
grammar
性 (-xìng) is a productive suffix that turns nouns into adjectives meaning 'having the nature of': 全国性 (national), 世界性 (global), 地区性 (regional), 历史性 (historic).
