trepidatiousWiktionary 原文英美构词拆解trepidattrepidate词干ious-ious后缀-iousAlternative form of -ous.词源说明From, or as if, trepidate + -ious; see trepidation for more.释义形容词adjective1In a state of trepidation; fearful.同族词派生词 2trepidatiously·trepidatiousness