When you are giving an opinion or making a judgment, you can use considering to suggest that you have thought about all the circumstances, and often that something has succeeded in spite of these circumstances.
I think you're pretty safe, considering.
总的来看,我认为你很安全。
considering that
You use considering that to indicate that you are thinking about a particular fact when making a judgment or giving an opinion.
Considering that you are no longer involved with this man, your response is a little extreme.
考虑到你和这个男人不再有干系,你的反应有点过分。
You use considering to indicate that you are thinking about a particular fact when making a judgment or giving an opinion.
He must be hoping, but considering the situation in June he may be hoping for too much too soon.
他肯定是在期望,但鉴于6月的情况,他可能期望得过多过早了。