She went out, safe in the knowledge that no one else was awake.

【safe】她确信没有人醒着后便出去了。

And now the commands are met only with delight. You can be as strong, harsh and insistent as you like, safe in the knowledge that the other person is going to be just fine.

而现在这些命令都被愉悦地回应。 无论你想多强悍、苛刻、坚持，都没问题因为知道另一个人会完全没事，而能安心的这麽做。

Up to that point in his life he had never demonstrated much aspiration to better his position, no doubt safe in the knowledge that he was to inherit his family's business and would live a comfortable life as a result.

在那之前，他从未表现出太多改善自己地位的愿望，毫无疑问，他知道自己将继承家族企业， 并因此过上舒适的生活。