The phrase "a weak knowledge of" is correct and usable in written English.
It can be used to describe someone's limited understanding or familiarity with a particular subject or topic.
Example: "She has a weak knowledge of advanced mathematics, which makes it difficult for her to tackle complex problems."
Alternatives: "limited understanding of" or "poor grasp of".
The Joint Learning Initiative on Human Resources for Health [ 15] identified five challenges to human resources for health: overall shortages, imbalance in skill mix, inequitable distribution and migration of providers, a weak knowledge base, and a negative work environment.
The findings reported in this paper provide one of those few resources given a weak knowledge base on the subject.
Weak knowledge of math could probably be overcome if the schools thought it to be important, but they don't.
Possible reasons for the mismatch include overlapping structures and weak knowledge of members.
In comparison to our weak knowledge of the phytoplankton of the perennial reservoirs, zooplankton is better known, even though there is an apparent 6paucity of quantitative studies.
The patients with OCD demonstrated weaker knowledge of the causal relationship between actions and their respective outcomes, suggesting a disturbance in goal-directed action control.
The first was that weaker knowledge of Dutch vocabulary and consequently less familiarity with Dutch bigram regularities may influence perception speed, even when pseudowords were involved.
It finds that the coexistence of cohesion effects (reciprocity and transitivity) with the weak knowledge bases of some firms in the cluster contribute to a stable informal hierarchical network structure over time.
Poor access to and quality of antenatal care services, weak knowledge and skills of health workers on neonatal care and resuscitation, poor infrastructure of health institutions and inadequate implementation of national protocols are among the factors that contribute to the current levels of neonatal mortality.
The weak knowledge could be a result of deficiencies in the basic nursing education, or lack of continuing maintenance training during working years.
