1
                           general:: 
                            fly at sb/sth 
 
 to attack another person or animal suddenly 
• He flew at his brother like a mad thing., fly about/around 
 informal 
 If ideas, remarks, or accusations are flying about/around, they are passed quickly from one person to another and cause excitement 
• All kinds of rumours are flying around about the school closing.
                        
                        
 
                        
                            Cambridge-Phrasal Verbs
                        
                        
                    
                    
                        2
                           general:: 
                              noun insect  VERB + FLY  swat I swatted the fly with a newspaper. FLY + VERB  buzz A fly was buzzing against the window. | crawl | land (on sth), settle (on sth) A fly settled on the butter. FLY + NOUN  larva | repellent, spray(also flies) on trousers  ADJ.  button/button-up, zip/zipped VERB + FLY  button (up), do up, zip up | undo, unzip Do you know your flies are undone? FLY + NOUN  buttonCLOTHES,   verb ADV.  high, low | fast, slowly | about, around, past PREP.  above We watched the birds flying high above us. | over an aeroplane flying low over the sea
                        
                        
 
                        
                            Oxford Collocations Dictionary