trouble-shooter

n person who helps to settle disputes (eg in industrial relations), or who traces and corrects faults in machinery, etc 调解人, 调停人（如劳资关系的）; （机器等的）检修人员.

trollop, trombone, trombonist, troop, troop-ship, trooper, trope, trophy, tropic, tropical, tropically, troposphere, Trot, troth, Trotskyism, Trotskyist, trotter, troubadour, trouble, trouble-maker, trouble-spot, troubled, troublesome, trough, trounce, troupe, trouper, trouser, trouser-suit, trousers, trousseau, trout, trowel, troy weight, truancy, truant, truce, truck, truck farm, trucker,