adj.肆无忌惮的，不道德的，无道德原则的，不诚实的，不公正的

The unscrupulous businessman deceived many innocent investors with his fraudulent schemes.
无良商人通过欺诈手段欺骗了许多无辜的投资人。
An unscrupulous politician was caught accepting bribes, tarnishing their reputation.
一位不择手段的政治家被发现受贿，损害了他们的形象。
The unscrupulous hacker gained unauthorized access to sensitive company data.
无良黑客非法侵入了公司的敏感数据。
She employed unscrupulous tactics to win the election, spreading false rumors about her opponent.
她使用不道德手段赢得选举，散播关于对手的虚假谣言。
The unscrupulous journalist published fake news stories to boost their circulation.
这位不诚实的记者发布假新闻以增加发行量。
The unscrupulous lawyer manipulated evidence to secure a conviction for their client, despite its lack of merit.
这位不道德的律师操纵证据为他们的客户定罪，尽管证据不足。
The unscrupulous real estate agent sold a house with undisclosed defects, putting the buyer at risk.
不道德的房地产经纪人隐瞒了房子的问题，使买家处于危险中。
The unscrupulous pharmaceutical company cut corners in their research, endangering public health.
这家不道德的制药公司简化研究程序，危及公众健康。
Unscrupulous teachers might exploit students for personal gain, such as accepting bribes or favoritism.
无良教师可能会利用学生谋取私利，如收受贿赂或偏袒。
The unscrupulous publisher released a book without proper editing, risking legal action from authors.
这位不负责的出版商未经审校就出版书籍，可能面临作者的法律诉讼。