I believe that the context of this sentence is the cricket matches that both teams play. Sri Lanka must be having a spell of consecutive defeats. The sentence "England breaks Sri Lanka jinx" means that Sri Lanka is finally able to score a victory in a cricket match.
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BluepalmsIn which content does that sentence appear?
Is it a title of a sports-article?
But let me guess:
If it is about cricket, then the sentence means, that England have beaten Sri Lanka for the first time after some years or so.
jinx is a synonym for spell
Losing all the time against the same team is not understandable for some people, so the