insidiously
US /ɪnˈsɪd.i.əs.li/
UK /ɪnˈsɪd.i.əs.li/
副詞
陰險地, 悄然地, 暗中地
in a gradual, subtle way, but with harmful effects
範例:
•
The disease developed insidiously, showing no obvious symptoms at first.
這種疾病悄然發展，最初沒有明顯症狀。
•
His influence spread insidiously throughout the organization.
他的影響力悄無聲息地滲透到整個組織。