They may well feel the case against your brother is substantially weakened by what's come to light.
"I think the dollar has come off its bottom and will not weaken substantially," he said.
I think that case was always pretty frail, and it has been substantially weakened.
Within hours of moving onshore, the system had substantially weakened.
This means that the buildings have been substantially weakened, the scientist said.
However, there are a number of amendments which substantially weaken the report's intentions.
If the latter, I think that despite being acquitted, he's substantially weakened.
The sharpest move of the day was made by the British pound, which weakened substantially.
Q. The dollar has weakened substantially against the euro over the last year.
By the time some new buildings were finished, the faltering economy had substantially weakened the demand for office space.