多年来，他为了那片土地，同当局进行了不懈的斗争。

For years he had fought a running battle with the authorities over the land.

《牛津词典》

三国外长同意，反恐斗争应长期坚持不懈地进行下去，不应采取双重标准。

The ministers agreed that the fight against terrorism should be continued unswervingly and no double standards should be adopted.

youdao

人类与大自然进行不懈的斗争。

Man is engaged in a constant struggle with nature.

youdao