insidiously
adverb /ɪnˈsɪdiəsli/
/ɪnˈsɪdiəsli/
(formal, disapproving)- by spreading gradually or without being noticed, but causing serious harm
潜伏的;隐袭的;隐伏的 - This kind of advertising acts insidiously on young minds.
这种广告对年轻人的影响是阴险的。
- This kind of advertising acts insidiously on young minds.