表达 “break into a (new) market” 或 “break into the (new) market” 指 “一家公司或个人打入一个市场”，通常通过开辟新的业务领域或进入新国家或地点来 “打入新市场”。

例句
The drinks company changed their advertising campaign to break into the market in a new country.
为打入一个新的国家的市场，这家饮料公司改变了他们的广告宣传活动。

The inventor’s new machine helped him break into the US market.
这位发明家的新机器帮助他打入了美国市场。

The company’s attempt to break into the mobile phone market failed after their product sold badly.
该公司试图打入手机市场，但产品销售惨淡，以失败告终。