这是一个固定职位，需要专心致志和勤奋工作。

This is a permanent appointment, requiring commitment and hard work.

她一直专心致志于她的本职工作。

She has been concentrating on her career.

她对工作专心致志。

She is dedicated to her job.

她专心致志于工作。

She's wedded to her job.

如果她专心致志，坚持到底，她本可以成为一名杰出的钢琴家。

She could have been a brilliant pianist if she'd put her mind to it.

我知道专心致志是学习的首要条件。

I knew that concentration was the first requirement for learning.

费希尔夫人发言的时候，代表们都一言不发专心致志地听着。

Delegates sat in rapt silence as Mrs Fisher spoke

我父亲专心致志地看他的报纸。

My father buried his head in his newspaper

他们不屈不挠专心致志的劲头简直是一种壮举。

Their dogged single-mindedness is almost heroic.

他专心致志于老年人的工作。

He is bound up in his work with old people.