From his general demeanour I didn't get the impression that he was being ironical.
从他整体的行为来看,我不觉得他是在讲反话。
...her calm and cheerful demeanour.
她平静而欢快的举止
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。