adj.无精打采的，委靡不振的，懒洋洋的，不热心的

The team's performance was lackadaisical, showing no sign of enthusiasm or effort.
这个团队的表现懒散无力，没有表现出任何热情或努力。
His lackadaisical attitude towards his studies led to poor grades.
他对学习的漫不经心态度导致了他的成绩不佳。
Despite the approaching deadline, she remained lackadaisical about completing the project.
尽管截止日期临近，她仍然对完成项目表现得无动于衷。
The customer service representative's lackadaisical response left the client feeling neglected.
客户服务代表懒散的回应让客户感觉被忽视了。
His lackadaisical approach to fitness resulted in minimal progress.
他对待健身的懒散态度导致进步微乎其微。
The employees' lackadaisical work ethic was a major concern for the company's management.
员工们懒散的工作态度是公司管理层的一大忧虑。
With a lackadaisical attitude, it's unlikely that she'll achieve her goals.
拥有这样懒散的态度，她不太可能实现自己的目标。
The coach criticized the team's lackadaisical defense, urging them to be more aggressive.
教练批评了球队懒散的防守，敦促他们要更积极主动。
His lackadaisical behavior during the interview cost him the job opportunity.
他在面试中的懒散表现让他失去了工作机会。
The once-thriving business has become lackadaisical due to a lack of innovation and drive.
曾经繁荣的生意因为缺乏创新和进取精神而变得懒散。