Save Gender Feminine Usage Chinese Scripts 必虹, 碧鸿, 碧虹(Chinese) Other Forms FormsBi Hong Meaning & History From the Chinese 必 (bì) meaning "surely, most certainly" or 碧 (bì) meaning "jade, green, blue" and 虹 (hóng) meaning "rainbow" or 鸿 (hóng) meaning "wild swan".