The phrase "argued weakly" is correct and usable in written English.
It can be used to describe a situation where someone presents their argument in a manner that lacks strength or conviction.
Example: "During the debate, she argued weakly, failing to convince the audience of her point."
Alternatives: "presented a feeble argument" or "made a weak case".
"Ted Kennedy's distorted negative attacks on me are wrong," he said in a television ad near the end of the race, arguing, weakly, that Kennedy wasn't playing by the rules.
Because three is more than two, this does argue, albeit weakly, that the convergence of species %3 from %1 and %2 was more recent than its divergence from %4 and %5.
Iran has resisted those terms, and Germany, France, Britain and Russia have argued for a weakly worded resolution in the hope of encouraging Iranian leaders to open their program to further inspections.
The Israeli military has very weakly argued that the Gaza Strip is so overpopulated it is impossible to avoid civilian deaths during operations.
It saddened me that anyone at the Guardian would think it was appropriate to ridicule Dawkins in this manner and I was further disappointed by the accompanying article by Jonathan Jones which was a weakly argued personal attack on Dawkins, using poorly researched material to deliver the pathetic notion that Dawkins "just wants to be the cleverest kid in the class".
"But, again: He kills journalists that don't agree with him". "Well," Trump weakly argued, "I think that our country does plenty of killing, too, Joe". To this day, Trump has been steadfast in his defense of an autocrat who views the Soviet Union's collapse as a tragedy and the United States as an enemy.
Twitter et al weakly argue that the point is freedom of speech – a cause fought for the hardest by those who have the ugliest things to say.
We argue that 1D weakly bonded materials present an opportunity to revisit 1D materials, with a new possibility to achieve single atom chains with atomic-scale diameters and an expectation of new physical properties stemming from crystal structures that are distinct from both carbon nanotubes and semiconductor nanowires.
Previously, we argued that while our data weakly supported a NDA majority, the signal was not strong enough for a conclusive prediction, and that remains the case.
The rate constant for coarsening, k, remains essentially constant as f increases, though it can be argued that there is a tendency for k to increase weakly as f increases.
