He masterminded a number of terrorist attacks.是什么意思？

He masterminded a number of terrorist attacks.

他谋划了许多次恐怖袭击行动。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

masterminded

v. 巧妙地计划，策划（某一行动）( mastermind的过去式和过去分词 )；

例句
The bombings were masterminded by a known drugs smuggler.
爆炸是由一个臭名昭著的毒品走私分子操纵的。

number

n. 数字，数量，号码，编号；v. 标号，总计，把…算作；

例句
He was ably assisted by a number of other members.
他得到其他一些成员的鼎力相助。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

terrorist

n. 恐怖主义者，恐怖分子，恐怖分子；adj. 恐怖主义的；

例句
One American was killed and three were wounded in terrorist attacks.
在几起恐怖袭击中，一名美国人遇难，三人受伤。

attacks

n. （队员等的）进攻( attack的名词复数 )，（疾病）侵袭；v. 攻击，进攻，抨击( attack的第三人称单数 )，非难，损害；

例句
There were fierce attacks on the BBC for alleged political bias.
英国广播公司因被指具有政治偏见而遭到猛烈抨击。