The Hebrew that is translated as “one in (your/my) hand” in English is translated in the Protestant Mandarin Chinese Union Version with an established Chinese idiom: hé ér wéi yī (合而為一 / 合而为一) or “united as one.” (Source: Toshikazu S. Foley in Hong Kong Journal of Catholic Studies, 2011, p. 45ff.)
See also one.