There are several synonyms that can be used for the phrase "at all risks". These include "at any cost", "come what may", "whatever it takes", "by any means necessary", and "regardless of the consequences". These phrases all convey a sense of determination and willingness to take on challenges no matter the potential dangers or negative outcomes. While sometimes it may be necessary to take risks in order to achieve one's goals, it's important to also weigh the potential consequences and ensure that the benefits outweigh the risks. Using these synonyms allows for greater variation in language while still conveying the same sense of determination.