稲妻
The thunder is fierce.
雷が激しいです
The thunder is suddenly fierce.
急に雷が激しいです
The thunder is suddenly fierce in the park.
公園で急に雷が激しいです
The thunder is suddenly fierce in the park on holidays.
休みに、公園で急に雷が激しいです
The thunder is suddenly fierce in the park especially on holidays.
特に休みに、公園で急に雷が激しいです