english
                    
                    
                    
                        1
                           general:: 
                            black sth out 
 [ M ] COVER 
 1. to cover a face or a name so that it cannot be seen 
• In the TV interview, they blacked out the victim's face., black sth out 
 [ M ] NO LIGHT 
 2. to make a place dark, especially by covering or switching off all the lights 
• The entire city was blacked out overnight., black out 
 
 to become unconscious suddenly but for a short period 
                        
                        
 
                        
                            Cambridge-Phrasal Verbs
                        
                        
                    
                    
                        2
                           general:: 
                            In addition to the idioms beginning with BLACK,  Also see  DIRTY (BLACK) LOOK; IN THE RED (BLACK); LOOK BLACK; PAINT BLACK; POT CALLING THE KETTLE BLACK.
                        
                        
 
                        
                            American Heritage Idioms
                        
                        
                    
                    
                        3
                           general:: 
                            adj.
dark color:  
It was a black car.
                        
                        
 
                        
                            Simple Definitions
                        
                        
                    
                    
                        4
                           general:: 
                              adj. ADV.  very The sky looks very black. | all His hands were all black from messing about with the car. ADJ.  jet, pitch (used about the night) She had beautiful jet-black hair. It was pitch black outside.COLOUR
                        
                        
 
                        
                            Oxford Collocations Dictionary