insidiously

基本解释

Thereupon the question insidiously became: What on earth does one live to do?
于是，那个问题在不知不觉中变成：人活着到底是为了什么？
Nevertheless, whatever its other merits or defects may be, I can assure my readers that it was not my intention to propound a riddle, or insidiously convey any erudite teaching.
然而，不管它的别的优点或者缺点是什么，我能告诉读者的就是，我在诗里无意提出一个谜，或者狡狯地传达什么教诲。
But few things corrode business efficiency and effective markets more insidiously than the discovery that it is more profitable to win the favour of politicians than to win the approval of customers.
但是，当企业家发现取悦政客比赢得客户更为有利可图时，就没有什么更能在不知不觉间侵蚀商业效率和市场有效性了。

Inflation will insidiously level the playing field, delivering realignments, one tiny wicked slice at a time.
FORBES: The Eurozone Must Follow The U.K. To Resolve Its Crisis
In their sly, shiny packets, they invaded the poor world as insidiously as the disease they were meant to prevent.
ECONOMIST: Alfonso López Trujillo
Instead of fraternity and fairness there was racism—sometimes overt, more often and insidiously the supercilious tolerance that the empire cultivated.
ECONOMIST: Bagehot