insubstantial
/ˌɪnsəbˈstænʃəl/
American
- adj. 脆弱的, 不结实的, 无实体的
- Definition
- adj. weak, flimsy, or lacking a solid physical form
- Example
- His argument felt insubstantial and failed to convince the skeptical judges.
- 他的论点显得空洞无力，未能说服心存怀疑的评委。