曾 副词 (表示有过某些行为或情况; 曾经) (used to indicate past action or state) once; formerly; sometime ago 短语和例子 几年前我曾见过她一面。 i met her once several years ago. 他曾旅居海外多年。 for many years he had lived beyond the sea(s). 我未曾听说过这样的事。 i've never heard of such a thing. 可曾看见? have you seen? did you ever see it?