By launching a bold marketing campaign, the startup aimed to make a splash in the crowded industry.

make a splash 是固定搭配，字面意思像"溅起水花"，实际比喻"引起轰动、吸引广泛关注"，就像物体落入水中会溅起引人注目的水花一样，常用来形容一举成名或做出引人注目的举动。