What is a Best Efforts Offering?

Do your best is a Chinese idiom, pronounced jìn lì ér wéi, which means do your best to do it. From "Mencius King Liang Hui".
[jìn lì ér wéi]
Emotional color: meaning words <br /> grammatical usage: predicate, object, attributive; describe as best effort, best effort <br idiom structure:
Mystery: Work Hard (Idiom)
The answer: do your best