適合需要增進英語寫作及書信能力者，從詞彙中的關鍵字查起，詳細的字詞解釋及例句，讓您快速找到最貼切的同義字。書後索引頁，在最短的時間找到所需的字辭。

Longman Language Activator (second edition): The only book that can lead students to exactly the right word or phrase- even if they have never heard it before, includes: Helps students choose the right word by helping them understand the differences in meaning between words with similar meanings *Detailed definitions and natural examples show students the correct word to use *Students learn how to use their new word or phrase correctly using the collocations and phrases given for each meaning