lackadaisical /ˌlækəˈdeɪzɪkəl/ adjective /ˌlækəˈdeɪzɪkəl/
adjective
Learner's definition of LACKADAISICAL
[more lackadaisical; most lackadaisical]
: feeling or showing a lack of interest or enthusiasm无精打采的；懒洋洋的；懒散的 — lackadaisically
/ˌlækəˈdeɪzɪkli/ adverb