1Used to express hesitation.
“我只是,哦!路过。”
2Used in questions to invite agreement or further comment or to express a lack of understanding.
“你很想去那儿,对吧?”
1960s: imitative.
2
英汉双解词典包含464360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。