1The team's sporadic efforts to improve their performance were not enough to save the season.
2Is the sporadic nature of the funding a major obstacle to completing the project?
3Researchers have identified a link between sporadic exercise and a reduced risk of chronic diseases.
4The company's sporadic attempts to innovate have been overshadowed by their competitors' consistent success.
5There is growing concern about the sporadic outbreaks of violence in the region, which seem to be escalating.