求翻译：摩托车交通违法行为和发生交通事故率居高不下，给交通安全带来了新的难题，同时也给交通安全管理工作带来了严峻的挑战。是什么意思？

Motorcycle traffic violations and the high accident rate, brought new problems to traffic safety, but also posed a serious challenge to traffic safety management.

Motorcycle traffic violations and traffic accidents is high, to the traffic safety has brought new challenges and, at the same time, the Transportation Security Administration to bring a serious challenge.

The motorcycle traffic offense behavior and has the transportation accident rate to stay at a high level, has brought the new difficult problem for the traffic safety, simultaneously also gave the traffic safety supervisory work to bring the stern challenge.

Motorcycle continuing high rates of traffic accidents and traffic violations, brought new challenges to the traffic safety and traffic safety management have created serious challenges to.

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