By Sound
Grace (GRAYS) is one syllable with two challenges: the 'gr-' cluster doesn't exist in Mandarin, and the '-ace' ending has no direct match. The closest openings use g- or h- initials, and the ending lands on '-ei' or '-lei' sounds. Phonetic fidelity is honestly limited here. Meaning carries the weight.
By Meaning
Grace comes from Latin gratia, which gives us both divine favour and physical poise. In living use the name holds both at once: the theological sense of unearned goodness, and the physical quality of moving through the world as though it costs nothing.
By Spirit
Grace Kelly set the permanent reference point: effortless, regal, luminous. Gracie Allen showed that grace can be sharp wit worn warmly. The contemporary Graces share the same impossibly-natural quality. It isn't learned elegance. It just appears to be the default setting.