1. 怠惰的；懶洋洋的；不熱心的 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.
e.g. Dr. Jonsen seemed a little lackadaisical at times. 瓊森醫生有時(shí)候似乎有點(diǎn)懈怠。 e.g. ...the lackadaisical attitude of a number of the principal players. 幾名主力隊員的懶散態(tài)度