若: If, as if. This character, when used in personal names, often signifies innate beauty, elegant demeanor, and other refined qualities.
素:
Simplicity and refinement. When used in names, it often signifies pure character and superior qualities, which are conducive to earning others' affection and trust.
Meaning: Ruosu implies a refreshing and elegant purity, like a clean sheet of paper, untainted and pure.