他不应该未经歌手允许就录音。
未经出版者许可翻印这些习题是违法的。
It is illegal to reproduce these worksheets without permission from the publisher.
“可是他们未经培训就干，这真让人担忧，是不是？”—“绝对是。”
"It's worrying that they're doing things without training though, isn't it?"—"Absolutely."
有许多关于眼镜和视力的普遍认知是未经证实的。
There are many commonly held beliefs about eyeglasses and eyesight that are not proven facts.
父母应该意识到，未经许可读孩子的私人信件是违法的。
Parents should realize that it's illegal to read their children's private letters without permission.
在许多临海的国家，人类的废弃物未经处理就直接排入大海。
In many countries with sea coasts, human waste is piped directly into the sea without being treated.
不管你和朋友有多亲近，未经允许你都不能使用他们的东西。
No matter how close you are with your friends, you can't use their articles without permission.
未经允许擅自进入该空域的私人飞机驾驶员有失去执照的风险。
The private pilot who cruises without permission into this airspace risks losing their license.
很显然，这位工作人员未经许可就这样做是超越他的职责范围的。
It was clear that the clerk had gone beyond his duty in doing so without authority.
虽然两国人民未经许可不能越过边境，但动物可以自由跨过边境。
Though people of two countries cannot go across the border without permission, animals, however, can cross the border freely.
未经处理的污水要进行化学处理。
未经破坏的珊瑚礁围绕着该海湾。
他是一个未经专门训练的工人。
埃及军队未经过任何考验。
有很多未经证实的谣言在迅速传播开来。
该理论仍未经过验证。
仅用水泵将未经处理的污水排入海中是不够的。
It's not enough to get rid of raw sewage by pumping it out to sea.
有未经证实的报道称几个小村庄被泥石流淹没了。
There are unconfirmed reports of several small villages buried by mudslides.
这条鱼是生吃的，未经蒸煮，也没加任何调味品。
The fish is served au naturel, uncooked and with nothing added.
事实上，这些录制的唱片大多是未经排练的即兴演奏。
In fact, the recordings were mostly unrehearsed improvisations.
有未经证实的报道称阿齐兹将在数小时内返回莫斯科。
There are unconfirmed reports that Aziz will return to Moscow within hours.
我们以前从未经历过这种假期，不知道有什么可期待的。
We had never experienced this kind of holiday before and had no idea what to expect.
他们把一群未经训练的新兵组织成了一支有战斗力的部队。
They had welded a bunch of untrained recruits into an efficient fighting force.
根据未经证实的传闻，有两个人在邻近斯普林菲尔德的城镇遭到枪击。
There are unconfirmed reports that two people have been shot in the neighbouring town of Springfield.
未经允许不得拍照录像。
未经允许，你不应该看别人的私人信件。
You shouldn't read others' private letters without permission.
未经饲养员允许不得与成年熊猫进行接触。
Do not touch the adult pandas or let them touch you, unless the panda keeper tells you to do so.
世界上没有人未经努力就取得成功。
No one in the world has ever succeeded without making an effort.
未经允许，孩子们不允许单独在这里游泳。
Without permission, children are not allowed to swim alone here.
在科学实验室时，未经老师许可，不得品尝化学药品。
When you are in the science lab, you mustn't taste chemicals without the teacher's permission.
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