insidious
/ˌɪnˈsɪˌdiːəs/
American
- adj. 隐伏的, 阴险的
- Definition
- adj. spreading harmfully in a gradual, hidden way
- Example
- The disease spread in an insidious way, showing no early symptoms.
- 这种疾病以一种隐匿的方式扩散，早期毫无症状。