define：v.解释(词语)的含义;给(词语)下定义;阐明;明确;界定;画出…的线条;描出…的外形;确定…的界线;第三人称单数：defines现在分词：defining过去式：defined过去分词：defined。

When people are asked "What is intelligence?" they tend to reply: "I don't know how to defineit, but I can certainly recognize it when I see it."

当被问及“智力是什么”的时候，人们往往会回答说：“我不知道该如何定义它，但我见到了肯定就能认得出。”。