To muscle in on someone else's business or territory; to poach clients or market share from other sectors; to overstep one's authority.
这家大型连锁超市不仅销售日用品，现在还开辟了餐饮区，有些搀行夺市的意味。
This large chain supermarket not only sells daily necessities but has also opened a dining area, which feels a bit like muscling in on other businesses' territory.
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