pinpoint the trouble meaning in Chinese

正确测定故障

Although wells fargo didn ' t pinpoint the troubled markets in tuesday ' s sec filing , management has previously said the bank is experiencing its biggest headaches in california ' s central valley and " auto - belt " states in the midwest
尽管富国银行并没有在周二的sec调查中说明受损最严重的市场区域，但是管理人员之前称提到银行最头疼的是中西部的卡利佛尼亚中心峡谷和汽车地带州。