[{"Bold_text": "noun", "List Items": ["the state or quality of being efficient ,or able to accomplish something with the least waste of time and effort; competency in performance.", "accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort:The assembly line increased industry's efficiency.", "the ratio of the work done or energy developed by a machine, engine, etc., to the energy supplied to it, usually expressed as a percentage.", "efficiency apartment efficiency apartment."]}]