broken new ground

• v. 开垦处女地(开辟新天地)

broken new ground的用法和样例：

例句

1. The division moved forward and broke new ground.
   师团向前挺进，挖掘新的战壕。
2. Her research is breaking new ground in biochemistry.
   她的研究正在开辟生物化学的新开地。