If you want to express the meaning of "再三考虑" in English, you can say "think something over and over again" or "carefully consider something multiple times." This indicates the act of contemplating or pondering on a matter repeatedly to make a well-thought-out decision or analysis.
It is important to note that while there may not always be a direct translation for certain phrases in different languages, expressing the intended meaning effectively is key. By using alternative phrases or explanations, we can bridge the gap between languages and effectively communicate our thoughts and ideas.