How to Use "unsuccessful" with Example Sentences

1. Unsuccessful campaigns rarely pass 20 % of the goal .
2. After so many unsuccessful love experiences , jiang still believes in true love .
3. But one of the unsuccessful bidders was richard dawkins , the biologist and outspoken opponent of religion .
4. The bloomberg administration had made previous , unsuccessful efforts to make soda consumption less appealing .
5. The launch appeared to be north korea 's first breakthrough following four largely unsuccessful tries since 1998 .