unscrupulous

1. ADJ If you describe a person as unscrupulous, you are critical of the fact that they are prepared to act in a dishonest or immoral way in order to get what they want. 不誠實(shí)的; 不道德的[表不滿]

These kids are being exploited by very unscrupulous people. 這些孩子正被極不道德的人利用。