● lackadaisical /læ̀kədéizikəl /
● やる気のない、活気のない (lack of care, effort, or enthusiasm)
- Tom won’t be able to find a job anytime soon. He obviously has a lackadaisical approach to it.
- My boss seems a little lackadaisical at times.
- John is lackadaisical in his studies – he is far behind his class.