It's a waste of time and energy.
那是浪费时间和精力。
He was a man of stupendous stamina and energy.
他是个有着一流耐力、精力充沛的人。
She seemed invigorated, full of life and energy.
她看来生气勃勃，满怀生命力和精力。
Fruit is a convenient source of vitamins and energy.
水果是维生素和能量的便利来源。
He has the physique and energy of a man half his age.
他有着小他一半年纪的人的体格和精力。
Engineers spend much time and energy developing brilliant solutions.
工程师们花大量时间和精力开发出色的解决方案。
I felt a need to please people, whatever the cost in time and energy.
我感到一定要使人们满意，耗费多少时间和精力都在所不惜。
Achieving success at this level requires a commitment of time and energy.
取得这种水平的成就需要花费时间和精力。
We import raw materials and energy and export mainly industrial products.
我们进口原材料和能源，主要出口工业产品。
I used to pour time and energy into projects that were doomed from the start.
过去我总是将时间和精力投入到一些从一开始就注定要失败的项目上。
Worry is a robber of time and energy.
焦虑是时间和精力的强盗。
Robots already save us time, money and energy.
机器人已经为我们节省了时间、金钱和精力。
Age brought a gradual diminution of his strength and energy.
年龄使他的体力和精力逐渐减退。
Do one thing, with all your focus and energy, and do it right.
集中你所有的注意力和精力去做一件事，然后把它做好。
Remember, too much coffee may throw off our sleep and energy cycles.
记住，喝太多咖啡会影响我们的睡眠和能量循环。
It took a lot of time and energy to keep up with everyone's status updates.
她花了很多时间与精力去看每个人的状态更新。
The city is an extraordinary processor of mass and energy and has its own metabolism.
城市是质量和能量的特殊处理器，有着自己的新陈代谢。
Within each orbit, collisions between planetesimals generated immense heat and energy.
在每个轨道内，天体之间的碰撞产生了巨大的热量和能量。
I owe my parents a great deal because they have devoted most of their time and energy to cultivating me.
我非常感谢我的父母，因为他们用了大部分时间和精力培养我。
Success is the result of devoting your time and energy to what you've set out to do, which doesn't happen by accident.
成功是投入时间和精力到你着手做的事情上的结果，它不会是偶然发生的。
In order to make the most of our focus and energy, we also need to embrace downtime, or as Newport suggests, "be lazy".
为了充分利用我们的注意力和精力，我们还需要接受停工期，或者像纽波特建议的那样——“变得懒惰”。
Large animals like elephants, say, they require much more food and energy and have fewer offspring than smaller animals.
比如说，像大象这样的大型动物比小型动物需要更多的食物和能量，而其后代比小型动物更少。
Wasting food means losing not only life-supporting nutrition but also precious resources, including land, water and energy.
浪费食物不仅意味着失去维持生命的营养，还意味着失去宝贵的资源，包括土地、水和能源。
Americans believe in spending their time and energy today so that the fruits of their labor may be enjoyed at a later time.
美国人相信，在当下要付出时间和精力，以后才能享受劳动成果。
Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.
陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。
Most young trees have large, deep green leaves so that they can catch enough sunlight and change it into their food and energy.
大多数小树都有大大的深绿色叶子，这样它们就能捕捉到足够的阳光，并将其转化为食物和能量。
When the government talks about infrastructure contributing to the economy, the focus is usually on roads, railways, broadband, and energy.
当政府谈到基础设施对经济的贡献时，通常关注的是公路、铁路、宽带和能源。
So keep it simple: "hi", "Hey" or "Hello"—do the best you can to gather all of the enthusiasm and energy you can, put on a big smile and say "Hi".
所以简单点说：“嗨”、“嘿”或“你好”——尽你所能调动你所有的热情和能量，露出一个大大的笑容并说“嗨”。
The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so.
生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
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