unprincipled

1. ADJ If you describe a person or their actions as unprincipled, you are criticizing them for their lack of moral principles and because they do things which are immoral or dishonest. 缺乏原則的; 不講道德的[表不滿]

It is a market where people can be very unprincipled and unpleasant. 在這個市場人們可能很缺乏原則也很不友好。