省油灯

shěnɡ yóu dēnɡ
  • oil-saving lamp—one who causes the least trouble;unprovoking person
省油灯省油灯
省油灯 [shěng yóu dēng]
  • [law-abiding person; unprovoking (often in neg.)] 〈方〉∶比喻老实、不惹是生非的人(多用于否定)

  • 他可不是省油灯