| expression | 
						 | 
						meaning | 
					
					
						| be black and blue | 
						 | 
						covered with bruises | 
					
					
						 | 
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						 | 
					
					
						| blackball (verb) | 
						 | 
						prevent someone from joining 
						a group by secretly voting 
						against him or her | 
					
					
						 | 
						 | 
						 | 
					
					
						| blackboard | 
						 | 
						chalkboard (the traditional 
						color was black or dark gray) | 
					
					
						 | 
						 | 
						 | 
					
					
						| a black eye | 
						 | 
						an eye that has been 
						injured; (the skin around it 
						is dark-colored) | 
					
					
						 | 
						 | 
						 | 
					
					
						| black coffee | 
						 | 
						strong coffee served 
						without milk | 
					
					
						 | 
						 | 
						 | 
					
					
						| blackhead | 
						 | 
						a pimple (skin blemish) | 
					
					
						 | 
						 | 
						 | 
					
					
						| black ice | 
						 | 
						ice that is dark in color and 
						dangerous because it is 
						difficult to see | 
					
					
						 | 
						 | 
						 | 
					
					
						| be in the black | 
						 | 
						show a profit | 
					
					
						 | 
						 | 
						 | 
					
					
						| blacklist | 
						 | 
						list of people considered to 
						be dangerous or undesirable | 
					
					
						 | 
						 | 
						 | 
					
					
						| blackmail | 
						 | 
						force someone to pay money 
						to keep something undesirable 
						about him / her secret | 
					
					
						 | 
						 | 
						 | 
					
					
						| black market | 
						 | 
						place where money or 
						merchandise is sold illegally 
						at uncontrolled prices | 
					
					
						 | 
						 | 
						 | 
					
					
						| black out | 
						 | 
						(1) faint or lose consciousness; 
						(2) extinguish all outside lights 
						and cover all windows | 
					
					
						 | 
						 | 
						 | 
					
					
						| black sheep | 
						 | 
						scoundrel; undesirable person | 
					
					
						 | 
						 | 
						 | 
					
					
						| blacksmith | 
						 | 
						someone who makes and 
						repairs items made of iron, 
						especially horse shoes | 
					
					
						 | 
						 | 
						 | 
					
					
						have / get something 
						down in black and white | 
						 | 
						have / get something 
						recorded in writing |