The client complained that the sales rep gave vacuous answers to every technical question.

客戶抱怨那位業務對每個技術問題都給出空洞無腦的回答。

Several board members found the consultant's presentation vacuous and lacking any real data.

幾位董事認為顧問的簡報內容空洞，缺乏任何實際數據。

The hiring manager rejected candidates who offered vacuous replies about their career goals.

招募經理淘汰了那些對職涯目標只給出空泛回答的應徵者。