adjective🔗Share不祥的，凶兆的，预兆性的 Of momentous or ominous significance."The dark clouds gathering overhead felt portentous, suggesting a severe thunderstorm was about to hit. "头顶聚集的乌云让人感到一种不祥的预兆，仿佛一场猛烈的暴风雨就要来临。signfutureeventtimequalityhistoryChat with AIVocabulary GamePractice Reading
adjective🔗Share不祥的预兆，凶兆。 Ominously prophetic."The black cat crossing her path just before the exam felt like a portentous sign that she was going to fail. "黑猫在考试前穿过她的路，这让她感觉像是一个不祥的预兆，预示着她要考砸。supernaturalastrologyphilosophysignfutureChat with AIVocabulary GamePractice Reading
adjective🔗Share自命不凡，妄自尊大。 Puffed up with vanity."After winning the school election, Mark became quite portentous, boasting endlessly about his "leadership skills" and future political career. "赢得学校选举后，马克变得十分自命不凡，不停地吹嘘他的“领导才能”和未来的政治生涯。attitudecharacterappearanceChat with AIVocabulary GamePractice Reading
