The phrase "acted diligently" is correct and usable in written English.
You can use it to describe someone who has performed their duties or tasks with care and effort.
Example: "The team acted diligently to meet the project deadline, ensuring that all details were addressed."
Alternatives: "worked hard" or "performed with care."
And during this pursuit, Roth acted diligently in securing improvements for MONY.
It was a task he had to do and he acted diligently, otherwise he would have been seen as a hypocrite.
Detective Inspector Gordon Henderson, from Newham police, said: "The officers involved acted diligently and promptly and I am pleased their actions resulted in three arrests and the seizure of a large quantity of drugs".
Anthony J. Melone, a Verizon executive vice president and the company's chief technology officer, said in a statement that the company had acted "diligently and decisively to resolve the operational and communications issues" that arose after the derecho.
Thus far, Director DeMaio has acted diligently to address concerns raised by the ACLU-NJ, implementing more reforms in a few weeks than his predecessor did in four years.
And it will be up to us to act diligently, with compassion, to do our best to care for them.
"No management board acts diligently, if it allows the company to take risks, which, if realized, lead to the collapse of the company," the judges wrote.
"Counsel's conduct amounts to a failure to act diligently and in good faith and does not demonstrate the highest standards of professional conduct," judges at the tribunal said in the ruling.
If the co-op fails to act diligently to address the problem -- either by forcing the owner of the upstairs apartment to do so or by doing so itself -- the letter writer can file an action against the co-op in State Supreme Court asking the court to order the co-op to eliminate the problem.
4 The Florida Supreme Court concluded that once the discretionary decision to charge a prisoner with a crime has been made, an obligation arises to act diligently toward procuring the accused for trial and that obligation is a ministerial duty subject to a writ of mandamus.
HMIP examined 12 cases in detail and concluded that in five the Home Office had "failed to act diligently or expeditiously".
