The phrase "black lining" refers to a negative or pessimistic point of view towards a situation. It means focusing on the worst possible outcomes or seeing the downside instead of being hopeful or optimistic.
Sentences with «black lining»
A large area rug showed a densely woven grid of black lines on gray. (bookbrowse.com)
Solid black lines show trends that can not be ruled out by chance, while dotted lines show trends that can. (carbonbrief.org)
His iconic style is made of a clear, white background and thick black lines placed in an abstract way. (zoomoncontemporaryart.com)