insidiously
/ɪnˈsɪdiəsli/ 37in a gradual, subtle way, but with harmful effects. "anxiety insidiously infiltrates your thoughts and behavior"
adverb [方式副词]阴险地；隐伏地；暗中为害地
Delusions are sometimes insidiously destructive.妄想有时也具有潜在的破坏性。
单词造句:
Delusions are sometimes insidiously destructive.妄想有时也具有潜在的破坏性。