O [---]

Jyutping O jing4 teoi2
Pinyin ōu xíng tuǐ

Definitions (Wiktionary)
  1. noun
    bowleg; genu varum

O型腿 [---]

Jyutping
Pinyin o xíng tuǐ

Definitions (CC-CEDICT)
  1. bow legs
  2. bow-leggedness