The troops will only engage in a ground battle when all the odds are in their favour.

该部队只会在完全可能取胜的情况下进行一场地面战斗。

《柯林斯英汉双解大词典》

The president will attempt to regain the initiative in the battle for health care reform after losing ground last month in public opinion polls and in some angry town hall forums where his plan was heavily criticized.

VOA: standard.2009.09.04

In his speech, the president indicated he may be willing to cede some ground in the ongoing political battle over abortion, calling for a "sensible conscience clause" to be included in any potential new freedom of choice legislation, so that doctors and nurses who oppose abortions cannot be forced to perform them.

VOA: standard.2009.05.17

They are tired of being foot soldiers in the heavy artillery ground battle that is large-scale patent litigation.

FORBES: Google, Facebook, Dell And The Fiscal Cliff Of Patents

On the ground, the battle was also very different from the previous conflict against Iraq.

CNN: Analysts: War provides 'textbook case'

Over the past couple of decades, women have gained much ground in the battle between the sexes.

ECONOMIST: A story as old as girl meets boy