troubleshootern.
'trʌbl'ʃʊtɚ
中文n. 故障检修工；解决纠纷者；解决麻烦问题的能手
词根词源
troubleshooter (n.)also trouble-shooter, 1898, originally one who works on telegraph or telephone lines. From trouble (n.) + agent noun from shoot (v.).
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