ADJ-GRADED 怠惰的;懒洋洋的;不热心的 If you say that someone is lackadaisical, you mean that they are rather lazy and do not show much interest or enthusiasm in what they do. 怠惰的;懒洋洋的;不热心的
Dr. Jonsen seemed a little lackadaisical at times.
琼森医生有时候似乎有点懈怠。
...the lackadaisical attitude of a number of the principal players.