They contribute their boundless wisdom and painstaking efforts to raising the level of our country’s sport competition.

他们付出的辛勤劳动，和聪明智慧，他们的努力提高了国家的体育竞技水平。

A) It was a painstaking effort for recording life's major events.

A) 为记录生活中的重大事件而煞费苦心。