Ideographic: The remains of a fire 火; 火 also provides the pronunciationRadical:

meaning for huī:

  • - ash
  • - dust
  • - lime
  • - gray
  • - discouraged
  • - dejectedgray
  • - ash gray
  • - grizzly
  • - pessimistic
  • - gloomy
  • - dispirited
  • - ambiguousdustlime (calcium oxide)bone ash
  • - ashes of the deadcolored
  • - ash-colored

jiālǐ家里
yǒu
yīzhǐ一只
chǒngwù宠物
lǎoshǔ老鼠
jiàozuò叫做
xiǎo
huī

He has a pet mouse called Xiao Hui at home.