禁止吸烟会免除不必要的死亡。
它使其成员不必诉诸战争来解决他们的分歧。
It enabled its members to settle their differences without recourse to war.
我庆幸不必干她的那份工作。
你不必向我解释你的理由。
他永远都不会离开你的，你不必担心。
不必轻信各有关团体的公开声明。
Public statements from the various groups involved should not necessarily be taken at face value.
教育不必只是与推进你的事业有关。
好啦，看在老天爷的份上，你不必道歉了。
你不必筋疲力尽地收拾—我们会做的。
There's no need to exhaust yourself clearing up—we'll do it.
哎，先生，我们了解自己的工作，所以你不必告诉我们该干什么。
Look, Mister, we know our job, so don't try to tell us what to do.
你什么事也不必做—只管悠闲享受乘车旅行的乐趣好啦。
You don't have to do anything—just lie back and enjoy the ride.
他面带鼓励的微笑答道：“哦，你不必为他们担心。”
He replied, with a reassuring smile, "Oh, you don't need to worry about them."
不必那样跟我拿腔拿调的。我们来晚了，可不是我的错。
There's no need to take that tone with me—it's not my fault we're late.
你不必多打肥皂—这儿的水很软。
他本不必去医院的，去了只是想让自己放心点。（英国英语意为“他做了不需要做的事”）
He needn't have gone to hospital, but he went just to reassure himself.
对鲸的屠宰是不必要且不人道的。
该规定旨在为公司节省不必要的医疗费用。
The rule is intended to save the company the money it might otherwise spend on medically unnecessary procedures.
你不必付额外的早餐钱。
十几岁的男孩在这个阶段往往开始冒不必要的风险。
Teenage boys at this stage often begin to take unnecessary risks.
我憎恨不必要的浪费。
你不必担心钱的问题—我会给你的。
我想那是不必要的。至少，我希望不是。
Well, I don't imagine that will be necessary. Leastways, I hope not.
我不想不必要地让我的丈夫或女儿不开心。
I didn't want to upset my husband or my daughter unnecessarily.
新闻界小题大做，促成了一场不必要的经济危机。
The press, making a mountain out of a molehill, precipitated an unnecessary economic crisis.
有一个方便的键盘快捷键可用，不必滚动到屏幕的顶端。
There is a handy keyboard shortcut to save you having to scroll up to the top of the screen.
不必早起只是退休生活的好处之一。
Not having to get up early is just one of the perks of being retired.
不必要的资源重复会导致严重的效率损耗。
There could be a serious loss of efficiency through unnecessary duplication of resources.
他们的支持意味着他不必卖掉去年确定要出售的公司。
Their support meant that he was not forced to sell the business which was earmarked for disposal last year.
吸烟是造成不必要疾病和死亡的最大原因。
Smoking is the biggest preventable cause of death and disease.
这幅画中不必要的细节太多。
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