难于掌握 meaning in English
hardtomanage
Examples
- They rate librarianship skills higher than subject knowledge in on-line searching .
他们认为图书馆技术要比联机检索主题知识更难于掌握。 - Many of the available options , such as jni , can be difficult to use
而许多可用的选择（如jni ）又难于掌握。 - In his lecture , professor gregory will explain how the emergence of radical new technologies makes navigation difficult for industrialists and policymakers
Professor gregory会于讲座中与大家分析先进新科技的出现如何令工业家和决策人士难于掌握和选择。 - In his lecture , professor gregory will explain how the emergence of radical new technologies makes navigation difficult for industrialists and policymakers
Professorgregory会于讲座中与大家分析先进新科技的出现如何令工业家和决策人士难于掌握和选择。 - The dosage of the hormones are difficult to control , and they can bring out side effects , such as hoarse voice , excess growth of body hair , and so on , so this kind of hormone should not be taken without doctor s instruction
但用药的份量难于掌握及会产生副作用，例如：声线变粗、毛发增多等，所以切勿擅自服用。