The operation could prolong his life by two or three years.

　　這次手術(shù)可使他多活兩三年。

　　For a long time his death was concealed from her.

　　他的死瞞了很長時(shí)間都沒告訴她。

　　She's in New York researching her new book.

　　她在紐約為她的新書搜集材料。

　　She met up with some of her old school friends.

　　她遇見幾個(gè)老同學(xué)。

　　Her position in the party has strengthened in recent weeks.

　　最近幾個(gè)星期以來，她在黨內(nèi)的地位有所增強(qiáng)。