The phrase "always weaker" is correct and usable in written English.
It can be used to describe a consistent state of inferiority or lack of strength in comparison to something else.
Example: "In every competition, he felt that he was always weaker than his opponents."
Alternatives: "consistently inferior" or "perpetually less strong".
He was always weaker than he looked.
Landscape greenness indices were only weakly related to condition of large herbivores, and the effect of landscape greenness on condition was always weaker than lactation status with the exception of pronghorn, an income breeder.
So, in general what we see, and this is always true if we're comparing the same atom, and in general, if we're comparing different types of molecules, but we know that a single bond is always weaker than a double bond, which is weaker than a triple bond.
It could be that the children in a particular class were always weaker in writing, but the 3rd grade test for the years the TDRs are being released had very little writing compared to the 4th grade test, so the children may not actually do worse; it may be that they are just tested on different material.
Such condition is always weaker than the assumption of mapping the boundary of into.
This means that the crosstalk channel H j i ( d ) from a disturber i into a victim j is always weaker than the direct channel H i i ( d ).
It is not always weak to want to manage confrontation.
In short, while the arguments of climate deniers were always weak, they've gotten much weaker.
The civil administration along the frontier, which was always weak, has collapsed.
"Our country was always weak when it was isolated," he added.
As a political current, Maoism was always weak in Britain, confined largely to students from Asia, Africa and Latin America.
