Customers should be wary of unscrupulous vendors who promise discounts that sound too good.

顧客應提防那些承諾好到不像真的折扣、不擇手段的商家。

The audit revealed that an unscrupulous manager had been falsifying expense reports for years.

稽核發現一名無恥的經理多年來一直在偽造費用報告。

Travelers are warned about unscrupulous taxi drivers who overcharge tourists at the airport.

旅客被提醒要小心在機場向觀光客超收車資的黑心計程車司機。