It means try as hard as is possible
we won the match with a just more effort to spare than other team.
Thriftily means to do something done in an ecomonical fashion. Depending on how it is used in a sentence, it can take on the meanings: frugally, quickly, efficiently, without frills, in a spare or sparse manner.
spare
If something is considered "fruitless" it is meant to bear no fruit. Therefore if an endeavor or behavior is fruitless it is meant to accomplish nothing. If a relationship is fruitless it would be one that offers nothing to the participants. Any effort that has no significant outcome is considered fruitless.
It seems there might be a typo in your question, as "avduous" is not a recognized word in English. If you meant "arduous," it refers to something that is very difficult and requires a lot of effort and perseverance. If you meant a different term, please clarify, and I'll be happy to help!
The phrase is Filipino. It means consoling. Or something that is meant to make one feel better. Usually, it is said after a struggle or too much effort has been exerted by the person, with not too good results. Think of it as something tantamount to a "consolation prize."
War effort is what people did at home. It was also considered that this meant that women disguised as men and went to war.
spare
to do something on our spare time
You can feel it deep down if you are meant to do something, its like magic.
a joint effort means something that is tried together as a group
The phrase is Filipino. It means consoling. Or something that is meant to make one feel better. Usually, it is said after a struggle or too much effort has been exerted by the person, with not too good results. Think of it as something tantamount to a "consolation prize."