大打出手

大打出手:

Literally means:

get into fight; take extreme measures in competition

Actually means:

大打出手, is a move of martial arts in traditional Chinese theatrical performance. This phrase means that people get into a fight and attack brutally.

It figuratively means that, to win the market competition, people take large-scale and ambitious actions.

大打出手，戏曲表演的一种武打程式。大打出手，形容毫无顾忌地动手打人或打架，并且打得很厉害。

比喻在市场竞争中就某些方面采取规模和力量都比较大的行动。