This reversal of position was often accomplished pleasantly and painlessly.是什么意思？

This reversal of position was often accomplished pleasantly and painlessly.

这种职位的对调经常是和谐且无痛的.

this

pron. 这，这个，这事，这人，这时，下面所说的事；adj. 这，这个，刚过去的，即将到来的，今…，本…；adv. 这样地，就是这样，这么地；

例句
Victoria Falls has had above average levels of rainfall this year...
维多利亚瀑布今年的降雨量超过了平均水平。

reversal

n. 倒转，颠倒，反复，逆转，反转，[法]撤消；

例句
What he had in mind amounted to nothing less than a total reversal of the traditional role of the executive...
他头脑中所想的简直就是对管理人员传统角色的彻底颠覆。

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。

position

n. 位置，方位，地位，职位，态度，状态；vt. 安置，把…放在适当位置，给…定位，驻扎军队；

例句
As long as most people are happy to have the monarchy, the abolitionist position is an arrogant fantasy.
只要大多数人还乐意保留君主制，废除它的主张就是痴人说梦。

was

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的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

accomplished

adj. 才华高的，技艺高超的，熟练的；

例句
They are skeptical about how much will be accomplished by legislation.
他们对于立法成效心存疑虑。

pleasantly

adv. 愉快地，快活地，和气地，和蔼地；

例句
Her campaign slogan, 'a president for the people', was pleasantly alliterative but empty.
她的竞选宣传口号“服务大众的总统”虽然押了头韵，听着很悦耳，其实内容空洞。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

painlessly

adv. 无痛地；

例句
Nobody can bring us swiftly, painlessly into the promised land.
无人能够把我们迅速地 、 毫无痛苦地带进理想之园.