山姆是个活百科全书。似乎他已经把字典背的滚瓜烂熟了。
他不仅仅是一本活字典,还是一本活的百科全书。由此可以看出来,
1·He is often lovingly termed a walking dictionary.
他常被亲切地称为活字典。
2·In a word, he is a walking dictionary.
总而言之,他是一部活字典。
3·She's a walking dictionary.
她是一本活字典。
4·He is what is called a walking dictionary.
他就是人们所谓的一本活字典。
5·Mr. Johnson was known as a walking dictionary.
约翰逊先生被称作一本活字典。