The phrase "strenuously attempted" is a correct and usable phrase in written English
You can use it to describe a situation where a person or group has expended a lot of effort to accomplish something. For example, "The small business owner strenuously attempted to keep her business afloat despite the difficult economic conditions."
Nearby, a woman strenuously attempted to take a selfie in front of a case containing Cookie Monster surrounded by flying cookies.
These researchers strenuously attempted to position themselves as having no stake in psychiatric research involving genetics, and conducted as many interviews as possible in participants' homes (and, if not, in a university setting).
The APA has been strenuously attempting to dissociate itself from the Rind paper.
The Defense Ministry refused to even allow that a breach had occurred; it strenuously denied any attempted bombings and said no soldiers had been arrested.
Salazar was unavailable for comment when the Guardian attempted to contact him on Friday night but he has always strenuously denied any wrongdoing.
And when the scientists attempted to induce atrial fibrillation using drugs and other methods, the running rats' hearts were much more likely to succumb and develop abnormal rhythms than those of the animals that hadn't strenuously exercised.
In the end, would Berger suggest marketers actually attempt to push less strenuously to gain popularity for a product?
There's a certain irony to this, as when Wainwright first joined Atlantic Records, he strenuously resisted their attempts to record him with a backing band.
"The board has strenuously resisted any attempt by the fans to find out who key shareholders are.
Appropriate measures should be implemented when athletes exercise strenuously in an attempt to attenuate the dehydration stress and reduce the exposure to noxious airborne agents.
Rilke's strange, exploratory poem does not attempt to translate the creature's experience into our own familiar discourse, but works instead, strenuously and tentatively, to find a new grammar and syntax through which to convey it.
