他在工作中总是充满干劲。

Tā zài gōngzuò zhōng zǒngshì chōngmǎn gānjìn.

He is always full of enthusiasm at work.

她的干劲和毅力使她取得了成功。

Tā de gānjìn hé yìlì shǐ tā qǔdéle chénggōng.

Her enthusiasm and perseverance led her to success.

他的干劲激发了团队的积极性。

Tā de gānjìn jīfāle tuánduì de jījíxìng.

His enthusiasm has motivated the team's initiative.