Adjective:

1. lacking spirit or liveliness;

   "a lackadaisical attempt"
   "a languid mood"
   "a languid wave of the hand"
   "a hot languorous afternoon"
   

2. idle or indolent especially in a dreamy way;

   "she was annoyingly lackadaisical and impractical"
   "a...lackadaisical, spiritless young man-about-town"
   

1.怠惰的；懒洋洋的；不热心的
If you say that someone islackadaisical, 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 littlelackadaisical at times.
琼森医生有时候似乎有点懈怠。
e.g. ...thelackadaisical attitude of a number of the principal players.
几名主力队员的懒散态度

1. 没精打采的：inveterate 根深蒂固的 |lackadaisical 没精打采的 | ramshackle 东倒西歪的

2. 懒洋洋的：lack-in-office 求官职的人 |lackadaisical 懒洋洋的 | lackaday 悲哉!

3. 无精打采的,无兴趣的：symmetrical 对称的,匀称的 |lackadaisical 无精打采的,无兴趣的 | whimsical 怪诞的

4. 愁闷的：lack-in-office 求官职的人 |lackadaisical 愁闷的 |lackadaisical 懒洋洋的

• Homeward bound in a lackadaisical Indian-summer mood.

  出自：M. Beadle

Lao Wang is very serious with work, so don't be lackadaisical.

老王干活可较真儿啦，你可别马马虎虎的。

So, Cicero first warned us against the danger of being lackadaisical.

西塞罗首先警告我们要注意萎靡不振的危险。

The lackadaisical clerk threw my change on the counter.

那个懒散的店员将我的零钱扔在柜台上。

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

His will was sapped and his whole attitude was lackadaisical.

心里松懈,身态与神气便吊儿啷当.

Select kidneys and maintenance, so that my energy away from the valedictory lackadaisical days of fatigue!

选择肾部保养, 让自己精力充沛,远离疲劳告别无精打采的日子!

Lao Wang is very serious with work, so do not be lackadaisical.

老王干活可较真儿啦,你可别马马虎虎的.

She was annoyingly lackadaisical and impractical.

令人恼火的是,她既懒又不脚踏实地.

There'll be no time to correct lackadaisical driving techniques after trouble develops.

等到麻烦显现时再纠正动作迟缓的驾驶技术就来不及了.

So , Cicero first warned us against the danger of being lackadaisical.

西塞罗首先警告我们要注意萎靡不振的危险.

The lackadaisical clerk threw my change on the counter.

那个懒散的店员将我的零钱扔在柜台上.

Alas, the case of the lackadaisical Lakers might just have been solved.

额, 他们的懒散毛病貌似已经差不多解决了.

My problem is, that when we get a few wins, we become lackadaisical.

我的问题是, 当取得一点点地胜利时, 我们就会变得懒洋洋的.

There'll be no time to correct lackadaisical driving techniques after trouble develops ( William J. Hampton )

等到麻烦显现时再纠正动作迟缓的驾驶技术就来不及了 ( 威廉J. 汉普顿 )

Dr. Jonsen seemed a little lackadaisical at times.

琼森医生有时候似乎有点懈怠。