definition的动词define

例句

1、

The term 'mental illness' is difficult to define.

“精神病”这个词很难下定义。

2、

Life imprisonment is defined as 60 years under state law.

按照州法律终身监禁定义为60年。

3、

It is difficult to define what makes him so popular.

很难解释清楚什么原因使他如此走红。