人们一定要确信这种疗法是安全的。
为安全起见，我们登山一定要有同伴。
一定要系好安全带。
一定要注意一点：这些安全改进并不是完美的。
One important caveat is that these security improvements aren't perfect.
在您执行漏洞评估之前，一定要确立一条安全策略。
Always establish a security policy before you perform a vulnerability assessment.
在决定做出手术方式改成（传统的）开腹手术的的时候一定要保证病人的安全。
The decision to convert to an open (conventional) procedure is based on patient safety.
一定要遵循室外跑步的安全预防措施。
And be sure to follow safety precautions for running outside.
在建筑工地一定要戴上安全帽。
理解安全的潜在含意（不一定要求是安全架构师）。
Should understand the implications of security, but is not necessarily a security architect.
不过，一定要注意路面安全！
一定要用“我们现在安全了。”来结尾。
司机一定要考虑到安全。
你一定要注意你和他人的安全。
如果，你寒假出游的话，一定要注意安全！
If you winter vacation travel, must pay attention to safety!
这就是为什么在家一定要确保食品安全性如此重要。
That's why it's important to do everything that you can to be food safe at home.
好吧，一定要打电话给我。我要知道你的安全。
他不一定很有钱，但是一定要能让你有安全感和开心。
He not necessarily very rich, but certainly must be able to let you have the security sense and be happy.
大家一定要注意交通安全！
一定要注意安全，不能掉以轻心！
但你一定要注意安全。
人们在安全处理掉放射性废料之前，一定要把它仔细储藏起来。
Radioactive waste must be carefully stored until it can safely be disposed of.
在重新接通电源之前，一定要保证设备安全。
Make sure the equipment is in a safe condition before reconnecting power.
你一定要系好安全带。
最后也是最重要的一点，请大家一定要注意安全！
Last but most important, SAFETY is the prerequisite for an excursion.
我结婚的时候，一定要来哦。因为看见你，我会有安全感。
When I got married, we must come oh. Because they saw you, I have a sense of security.
在飞机起飞之前，你一定要扣紧安全带。
You must buckle your seat belt in a plane before it takes off.
在飞机起飞之前，你一定要扣紧安全带。
You must buckle your seat belt in a plane before it takes off.
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