1. 這位歌手終生致力于研究中國(guó)西北部的民間傳說。
   The singer devoted his whole life in study of the folklore in the northwest part of China.
2. 她畢生致力於幫助窮人。
   She dedicated her life to helping the poor.
3. 他畢生致力于科學(xué)事業(yè)。
   He dedicated his life to science.
4. 該協(xié)會(huì)致力于推動(dòng)世界和平事業(yè)。
   The society was dedicated to furthering the cause of world peace.
5. 她畢生致力于科學(xué)。
   She dedicated her life to science.

力的英語翻譯：