troubleshooting
US /ˈtrʌb.əlˌʃuː.t̬ɪŋ/
UK /ˈtrʌb.əlˌʃuː.t̬ɪŋ/

1.
故障排除, 問題解決
the process of identifying and solving problems, especially in technical systems or equipment
:
•
The IT department is responsible for network troubleshooting.
IT部門負責網路故障排除。
•
He spent hours on phone troubleshooting with the customer.
他花了幾個小時與客戶進行電話故障排除。