You talk about someone's dependency when they have a deep emotional, physical, or financial need for a particular person or thing, especially one that you consider excessive or undesirable.
双语例句
例： We saw his dependency on his mother and worried that he might not survive long if anything happened to her.
我们看到他对他母亲的依赖，担心万一她有个三长两短，他也会活不长。