yī​hú​zhī​yè

best part of something

  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 狐 hú noun
    fox
    (bound form) fox; an animal often described as cunning, usually referring to the 狐狸 hú​li
  3. 之 zhī particle
    [possessive]
    Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.
  4. fur under the front legs
    (bound form) specifically refers to the fine fur under the armpits of an animal, such as a fox