At one time, soap-making was not safe.
曾经有一段时间，制造肥皂并不安全。
It's not safe to swim alone in the river.
一个人在河里游泳不安全。
It's not safe to leave a baby in a car by itself.
将婴儿单独留在车里不安全。
They were worried that it was not safe for me to go there.
他们担心我去那儿不安全。
It's not safe for you to ride bikes too fast or play on the street.
在马路上骑车太快或者玩耍都是不安全的。
Dust storms very probably happen on hot summer days, and it's not safe for people to travel during this period.
沙尘暴很可能发生在炎热的夏天，在这个时期人们旅行是不安全的。
It's not safe enough for people to ride electric bicycles.
人们骑电动自行车不够安全。
If we don't get the job done, the rest of the world is not safe from polio.
如果我们不完成任务，世界上其它人就不能免除脊髓灰质炎的威胁。
Michelle: Wait a minute. It's not safe? So, why are you and your friends going?
蜜雪儿：等一下。那不安全？那么，你和你的朋友为什么要去？
If you can't get a cab, give me a call. It's not safe to walk home alone at night.
如果你叫不到出租车的话，打电话给我，晚上一个人走回家不安全。
That's why, without a DTD, it's not safe for the parser to assume what whitespace means.
这就是为什么如果没有DTD，而让语法分析器来假定空格的含义是不安全的。
If it smokes upon heating, turns deep brown, or has a foul odor, it is not safe to reuse.
如果在加热时冒烟、颜色变为深棕色，或者有恶臭味，重复使用则不安全。
As you see, a unique URL in the namespace declaration is still not safe from naming conflicts.
正如您所看到的，命名空间声明中的唯一url仍不能完全避免命名冲突。
We also boiled water to drink, because it was not safe to drink water straight from the river.
我们也煮了开水来喝，因为直接从河里饮水是不安全的。
Doctors now believe that it's not safe to drink any amount of alcohol when you are pregnant.
在怀孕期间不宜饮用任何剂量的酒精类饮料，这一点已被医生证实。
Everyone who lives near these gold mines, Pan said, knows that the fish there are not safe to eat.
Pan说，住在这些金矿附近的人都知道这里的鱼不能吃。
When the winds started to get strong, the family decided that it was not safe to remain in the house.
当风势开始加强的时候，这家人认定，继续呆在房子里是不安全的。
Today kids need more opportunities for exercise, but many parents feel it’s not safe for them to walk alone.
现在的孩子们都需要更多锻炼的机会，但很多父母都认为，让孩子独自出去很不安全。
Observing the eclipse directly through a telescope, binoculars or camera is not safe under any circumstances.
在任何情况下无论是通过望远镜，双筒望眼镜还是照相机观看日食都是不安全的。
Or it may be that a tree falls on your house, and it's not safe to stay there until workers can fix the damage.
抑或是你家中的树倒了，弄坏了你的房子，在工人修好这些破损前，住在家里是不安全的。
Grenny argues that the seemingly "safe" strategy of never confronting an unsatisfactory job situation is actually not safe.
格雷尼认为，在职场中，面对自己并不满意的状况，不与其他人当面交涉，表面看来是一种“安全的”策略，但实际上却并不安全。
It is not safe to call this function when it is unknown which thread (if any) currently has the global interpreter lock.
当前拥有全局解释器锁的线程(或其它什么)未知时，调用这个函数不安全。
They say it's not safe for me to stay out that late by myself, and they're afraid some kids may be drinking at the party.
他们说我一个人呆那么晚会不安全，而且他们还担心在聚会上会有孩子喝酒。
Parents also spend more time driving kids to activities, again because it's not safe to let the children walk or ride their bikes.
父母们也花更多时间开车送孩子去进行活动，这同样是因为让孩子们步行或骑自行车不安全。
It is not safe to justify the stability of whole arch-structure by means of the stability of the single arch or the sub-arch-structure.
拱系结构的稳定性分析用单拱或少量单元的拱系子结构代替并不一定偏于安全。
Now people in some cities are not allowed to set off firecrackers or fireworks because it's not safe to do that, especially for children.
现在很多城市都禁放烟花炮竹，因为不安全，尤其是小孩放鞭炮更加危险。
Consult a physician before taking medication to treat back pain. Some pain relievers, like aspirin and ibuprofen, are not safe to use during pregnancy.
服药治疗背部疼痛之前需要咨询医生。一些止痛药如阿司匹林，布洛芬，在怀孕期间使用并不安全。
Consult a physician before taking medication to treat back pain. Some pain relievers, like aspirin and ibuprofen, are not safe to use during pregnancy.
服药治疗背部疼痛之前需要咨询医生。一些止痛药如阿司匹林，布洛芬，在怀孕期间使用并不安全。
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