Delusions are sometimes insidiously destructive.

妄想有时也具有潜在的破坏性。

Something that has insidiously crept into our lives.

这已不知不觉地悄悄进入我们的生活。

Actinobacillosis develops insidiously in soft tissues.

放线杆菌病是在软组织中呈隐袭性发生的。

But over the years, this pattern slowly, insidiously, became a problem.

但经过多年之后，这种模式缓慢的，不知不觉地发展为一种问题。

Slowly insidiously the fog of the everyday has returned to enshroud me.

慢慢地，不知不觉地，日常的迷雾又回来笼罩了我。