sharp practice
US /ʃɑrp ˈpræk.tɪs/
UK /ʃɑrp ˈpræk.tɪs/

1.
欺诈行为, 不道德手段
dishonest or unfair dealing, especially in business
:
•
The company was accused of sharp practice for misleading customers about their product's features.
该公司因误导客户产品功能而被指控进行欺诈行为。
•
He's known for his sharp practice in real estate deals.
他在房地产交易中的欺诈行为是众所周知的。