您要查找的是不是：
- 他专心致志於工作。He is wedded to his work.
- 他专心致志於工作.He is wedded to his work.
- 他专心致志于工作及如何节省时间。He concentrated himself upon his work and upon how to save time .
- 於at
- 他专心致志地工作，完全没有理会周围的一切。He was so absorbed in his work that he was oblivious of the goings-on around him.
- 他死於工作过劳。He died from overwork.
- 如果他专心致志的话，他可以做得更好。He might have done it better if he had put his mind to his work.
- 至於go so far as to
- "别跟我来那一套！你知道他为什么做那件事。是因为她太罗嗦。""Don't give me that! You know why he did it. She nagged him."
- 等於equal to
- 他专心致志地做他的家庭作业。He addressed himself to the task of doing his homework.
- 不要告诉经理是怎么把工作搞砸了的，不然他会大发雷霆的！Don't tell the director how you ruined the job, or he'll go through the roof.
- 於是thereupon
- 他有钱有势，可尽管如此却并不快乐。He has great power and wealth, but is still unhappy for all that.
- 专心致志concentrate one's attention, thoughts or efforts on something
- 我现在身体健康，适於工作。I am now well and fit for work.
- 他专心致志地学习。He is intent on his studies.
- 在於(the problem or explanation or advantage etc.) lies in (the fact that ... )
- 他专心致志地油漆着钢琴盖。He painted the lid of the piano with absorption.
- 全神贯注於工作be engrossed in one's work
