Daily Chinese Idiom Guessing Game
Describes something that is grand and powerful in scale or momentum, often with a lot of fanfare.
声势声威和气势；浩广大。声威和气势非常壮大。
清·吴趼人《二十年目睹之怪现状》第十六回其实他们空着没有一点事，也不见得怎么为患地方，不过声势浩大罢了。”
The festival was held with such a grand parade that it felt truly massive in scale.