lackadaisical

柯林斯词典

1. ADJ 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; 不热衷的
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. ...几名主力队员的懒散态度。