verb · to banish to or relegate to a lower status or specific place

他的提议被打入冷宫，没人理睬。

verb · to crack an egg into a bowl or container

请将两个鸡蛋打入碗中。

verb · to insert, inject, or drive something into an object

工人们把钢管打入地下。

verb · to penetrate, break into a market or social group, or infiltrate enemy ranks

这家公司正努力打入海外市场。