竭尽全力

汤姆Tāngmǔ竭尽全力jiéjìnquánlì追赶zhuīgǎn。

Tom did his best to catch up.

他tā竭尽全力jiéjìnquánlì地de讨好tǎohǎo他tā老婆lǎopó。

He bent over backward to please his wife.

汤姆Tāngmǔ和hé玛丽Mǎlì竭尽全力jiéjìnquánlì帮助bāngzhù约翰Yuēhàn。

Tom and Mary did all they could to help John do that.

因为yīnwèi很hěn难nán进入jìnrù有名yǒumíng的de大学dàxué，所以suǒyǐ考生kǎoshēng们men全都quándōu竭尽全力jiéjìnquánlì。

Since it's hard to get into a famous university, all the candidates are trying their best.