lack·a·dai·si·cal
adjective/ˌlækəˈdeɪzɪkl/
/ˌlækəˈdeɪzɪkl/
- not showing enough care or enthusiasm
无精打采的；委靡不振的；懒洋洋的；不热心的 - He has a lackadaisical approach to finding a job.
他找工作的态度漫不经心。
Word Originmid 18th cent. (also in the sense ‘feebly sentimental’): from lackaday (or its obsolete extended form lackadaisy). - He has a lackadaisical approach to finding a job.