The technician traced the chatter in the printer to a worn gear inside the tray.

技術人員查出印表機的嘎嘎聲來自紙匣內一個磨損的齒輪。

Customers reported a strange chatter coming from the delivery van's brakes during the route.

客戶反映送貨車在路線行駛中，煞車傳出奇怪的嘎嘎聲。

Please email maintenance if the conveyor belt's chatter continues after this morning's adjustment.

如果輸送帶的嘎嘎聲在今早調整後仍持續，請寄電子郵件給維修部。