为了成功，我们会竭尽全力。

Wèile chénggōng, wǒmen huì jiéjìn quánlì.

We will do our utmost for success.

在比赛中，他们竭尽全力地奋斗。

Zài bǐsài zhōng, tāmen jiéjìn quánlì de fèndòu.

In the competition, they fought with all their might.

他们竭尽全力地帮助受灾群众。

Tāmen jiéjìn quánlì de bāngzhù shòu zāi qúnzhòng.

They did everything they could to help the disaster-stricken people.