bảo dưỡng

verb

• To care for, to look after
  • bảo dưỡng cha mẹ già: to look after one's old parents
• To maintain, to keep in good repair
  • bảo dưỡng xe cộ máy móc: to maintain vehicles and machinery
  • công nhân bảo dưỡng đường sắt: road maintenance men