The phrase "a weak case for" is correct and usable in written English.
It can be used when discussing the validity or strength of an argument or position, indicating that the argument lacks sufficient evidence or support.
Example: "The lawyer presented a weak case for the defendant's innocence, relying on circumstantial evidence alone."
Alternatives: "a flimsy argument for" or "a poor justification for".
"This is not piracy, and so I think it's a weak case for the government to bring to test the scope of the law".
But even Mr. Borjas's dire conclusions about the damage inflicted by immigration on American-born workers makes a weak case for tougher border controls.
Andreas Leikauf, a Viennese artist, makes a weak case for monochrome and photo appropriation with works that are far too reminiscent of Luc Tuymans's art.
Yet, perhaps because he recognizes that the decision below presents such a weak case for a claim of judicial "legislation," petitioner makes the implausible contention that any state judicial decision in this context -- and, by implication, any state attorney general opinion or administrative ruling -- is suspect if it is not "dictated by" existing statutes.
If you have a weak case for contractor treatment, that may be a good deal.
Right now all we have is the timing of the disease's spread and our absolute befuddlement to go on, which is just a weak case for hysteria.
But the show makes a weaker case for the relevance of contemporary art in Detroit.
Mr. Pan's lawyers also wrote to the judge, accusing prosecutors of failing to appreciate the "likely prejudicial impact" of the arrests last week, adding, "At worst, the decision was an improper attempt to bolster what we believe the evidence will show to be a weak case brought for the wrong reasons".
When you have a weak case, you look for a friendly judge in a friendly location and hope he or she will ignore existing precedent and give you "a second bite at the apple," so to speak.
And the admissions so strongly bolstered a weak case that it is impossible for us to conclude the error can be disregarded under the 'harmless error' statute.
Moreover, Mr. Gillers said, the lack of physical evidence and the heavy reliance on one witness does not necessarily make for a weak case.
