Conrad had been imprisoned for a year for gaining money by false pretences.是什么意思？

Conrad had been imprisoned for a year for gaining money by false pretences.

康拉德因为诈骗钱财已经坐了一年的牢。

Conrad

abbr. contour radar data 网路雷达数据；

例句
Forster , Joseph Conrad , George Orwell , Fyodor Dostoyevsky, and Henrik Ibsen , among others.
奥威尔, 陀思妥耶夫斯基, 易卜生等.

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

been

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去分词 ），在，存在，不受干扰，去过了，be的过去分词；

例句
Have you been able to have any kind of contact?...
你联系上了吗？

imprisoned

v. 下狱，监禁( imprison的过去式和过去分词 )；

例句
As for the imprisoned leaders, he asserted that justice would have to take its course.
他坚称必须对监禁的领导人依法审判。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

year

n. 年，年纪，一年的期间，某年级的学生；

例句
The following year Parliament voted to abolish the death penalty for murder...
议会于翌年表决对谋杀罪废除死刑。

gaining

n. 开槽；v. 获得( gain的现在分词 )，赢得，增加，（钟、表）走快；

例句
...a theory that is steadily gaining acceptance...
逐步得到承认的理论

money

n. 钱，财富，薪水，款项；

例句
He has spent money with gay abandon...
他肆意挥霍钱财。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

false

adj. 虚伪的，不正的，非法的，假造的，摹造的，临时的；adv. 欺诈地，叛卖地；

例句
He felt he was on the edge of an abyss; one false move and he was done for...
他觉得如临深渊，一步不慎便会永劫不复。

pretences

n. 假装( pretence的名词复数 )，作假，自命，自称；

例句
We have to drop our pretences and look squarely at schooling as it really is.
我们必须抛开一切伪装，正视学校教育的真实情况。