N-SING [usually poss NOUN]毕生的事业；一生中最大的成就 Someone's life's work or life work is the main activity that they have been involved in during their life, or their most important achievement. 毕生的事业；一生中最大的成就
An exhibition of his life's work is being shown in the garden of his home.
他平生的得意之作现正在他家的花园里展出。
My father's life work was devoted to the conservation of the Longleat estate.