不遗余力

tā men jiāng bù yí yú lì de cù shǐ bái gōng gǎi biàn fāng àn

他们将不遗余力地促使白宫改变方案。

They will go to any lengths to get the White House to change course.

wǒ men yīng gāi bù yí yú lì bǎo hù huán jìng

我们应该不遗余力保护环境。

We should spare no effort to protect our environment.

lín jū men bù yí yú lì de qù bāng zhù wǒ wán chéng chóng jiàn gōng zuò

邻居们不遗余力地去帮助我完成重建工作。

Neighbors devoted their spare time to helping me rebuild.

bù yí yú lì de jǐ yǔ bāng zhù

不遗余力地给予帮助

be unstinting in one's efforts to help