1
                           general:: 
                            Phrase(s): keep someone on 
Fig. to retain someone in employment longer than is required or was planned.  •  She worked out so well that we decided to keep her on.  •  Liz was kept on as a consultant., Phrase(s): keep on something 1. [and] keep on 
Lit. to work to remain mounted on something, such as a horse, bicycle, etc. •  It’s really hard for me to keep on a horse.  •  It’s hard to keep on when it’s moving all over the place. 2. Fig. to pay close attention to something. (See also keep on top of someone or something.)  •  Keep on that story until everything is settled.  •  This is a problem. Keep on it until it’s settled., Phrase(s): keep on 
Go to keep on something., Phrase(s): keep someone on (something) 
1. Lit. to make or help someone stay mounted on something, such as a horse, bicycle, etc.  •  Her father kept her on the bicycle as she was learning to ride it.  •  I couldn’t keep myself on the horse. 2. Fig. to retain someone as an employee.  •  We can’t keep you on the payroll any longer.  •  Ken could not be kept on any longer., Phrase(s): keep on (doing something) 
to continue to do something.  •  Are you going to keep on singing all night?  •  Yes, I’m going to keep on., Phrase(s): keep something on 
to continue to wear an article of clothing.  •  I’m going to keep my coat on. It’s a little chilly in here.  •  I’ll keep on my coat, thanks., Phrase(s): keep on someone (about something) 
Go to keep after someone (about something).
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs
                        
                        
                    
                    
                        2
                           general:: 
                            1. Continue, persist, as in They kept on singing all night. [Late 1500s] 2. Maintain an existing situation, as in After Mr. Brown died, the housekeeper wondered if she would be kept on. [Mid-1600s] 3. Cause to stay on or remain attached, as in Keep your coat on; it's cold in here. [Late 1800s]
                        
                        
 
                        
                            American Heritage Idioms