Her lack of interest in the job was becoming increasingly evident.她对工作缺乏兴趣，这变得越来越明显了。Activists and reformers are frustrated by the public's lack of interest.公众缺乏兴趣使积极分子和改革推进者们备受打击。Several concerts were cancelled because of a lack of public interest.几场音乐会由于公众缺乏兴趣而被取消了。