yī​chòng​zi​xìng​r

on impulse

  1. numeral
    one
    one; the number 1; single; alone
  2. blunderbuss
    A short-barreled large-bore gun with a flared muzzle.
  3. disposition
    temperament; disposition; temper (as in 性急 xìng​jí, 任性 rèn​xìng)
  4. r particleaffix
    [erhua suffix]
    A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.