养痈贻害
yǎng​yōng​yí​hài

neglect creates disaster

  1. 养 養 yǎng verb
    to raise
    to keep or feed animals; to keep pets
  2. 痈 癰 yōng
    carbuncle
    A severe skin infection involving a cluster of boils, typically characterized by redness, swelling, and multiple pus-filled openings; often caused by bacteria like staphylococcus.
  3. 贻害 貽害 yí​hài
    to cause harm later
    to leave behind trouble or have bad consequences; to bequeath a legacy of harm