1.（指说话、写作或举止）自命不凡的，装腔作势的 If someone's way of speaking, writing, or behaving is portentous, they speak, write, or behave more seriously than necessary because they want to impress other people.
portentously 'The difference is,' he said portentously, 'you are Anglo-Saxons, we are Latins.' 他拿腔拿调地说道：“区别在于你们是盎格鲁—撒克逊人，我们是拉丁人。”
