-
他专心于工作。
He is bent on his work.
youdao
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他总是专心于工作。
He always minds his work.
youdao
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他专心致力于工作。
He devotes himself to his job.
youdao
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今年以来，他专心于自己的工作。
He has concentrated on his work this year.
youdao
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他专心于研究工作。
He is busy with research work.
youdao
-
他专心于他的工作。
He attended to his work.
youdao
-
他专心于他的工作。
He attended to his work.
youdao