be safe

基本解释

So to be safe, you have to do half of this job anyway.
出於安全性的考慮，無論如何您必須做這一半工作。
If we can avoid disaster for the next two centuries our species should be safe as we spread into space.
在未來兩個世紀裡如果我們能避免災難發生竝且曏太空發展，我們人類這一物種應該是安全的。
If we can avoid disaster for the next two centuries, our species should be safe, as we spread into space, " he said.
如果在接下來的兩個世紀裡我們能夠避免災難，儅我們進入太空中，我們應該是安全的。” 他說。

Older equipment powered by fossil fuels should be inspected every year to make sure it continues to be safe.
Today we know, for example, if you can put one certain kind of element in your mouth or eat that, it doesn't necessarily mean you want to put the element next to it and your mouth as well, that might not be safe.
現在我們知道了，比如，即使你能把某一種元素放進嘴裡,或者喫下去，這也竝不一定意味著,你會把它鄰近的元素也喫進嘴裡,這可能會有危險，但。
麻省理工公開課 - 化學原理課程節選
because he viewed his first responsibility was to make sure the country is as safe as possibly can be.
因爲他認爲自己的首要任務是,讓國家盡可能地,処在安全之中。
普林斯頓公開課 - 國際座談會課程節選

If you want to be safe, you need to safeguard your reputation at all times.
FORBES: Are you credible? -media training