portentous
/pɔːˈtentəs/adjective
1- of or like a portent预示性的; 征兆似的：
the envelope and its portentous contents.
那个信封及其预示性的内容。
1.1
- done in a pompously or overly solemn manner so as to impress自命不凡的; 矜持的：
the author's portentous moralizings.
作者自命不凡的说教。
派生词