1.
In the past few years Chicago and Los Angeles have adopted similar methods: although, having fewer officers, they are less extravagant with them.
过去几年，芝加哥和洛杉矶采用了类似的方式；尽管，由于警察人数较少，他们不太敢浪费警力。
2.
misapplied efforts, talents
浪费的精力、 才干.
3.
wasting valuable time and effort
浪费宝贵的时间和精力
4.
Dick fiddled away his time and strength.
迪克浪费了时间和精力。
5.
He fiddled away his time and strength.
他浪费了时间和精力。
6.
To worry is often to energize needlessly.
忧虑往往是浪费精力。
7.
Don' t dissipate your efforts.
不要浪费你的精力。
8.
An enquiry she thought was a waste of resources.
她认为调查是浪费财力。
9.
being effective without wasting time or effort or expense.
有效率而且不浪费时间、精力或者费用。
10.
He squandered too much in the heat of personal communication.
他浪费太多的精力热衷于个人的交谈。
11.
showed their efforts up as a waste of time.
显示他们的努力只是浪费时间
12.
Fret away/out
（在过度的烦恼中）浪费（时间、精力）
13.
It's a waste of time and energy.
那简直是浪费时间和精力.
14.
He foolishly frittered away time and energy
他愚蠢地浪费了时间和精力。
15.
They keep me focused. Justify my time.
这样我才能集中精力而不会浪费时间。
16.
The waste of human resources in that enterprise is startling.
那家企业的人力资源浪费令人吃惊。
17.
On the one hand, never be wasteful or extravagant; on the other, actively expand production.
一面决不滥用浪费，一面努力发展生产。
18.
He decried her efforts (as a waste of time).
他贬低她所作的努力（认为是浪费时间）.