It's simply unethical to promote and advertise such a dangerous product.

宣传推广如此危险的产品完全是不道德的。

I thought it was unethical for doctors to operate upon their wives.

我认为医生为自己妻子做手术不合乎职业道德。

...to investigate widespread unethical and illegal practices in banking.

调查银行业普遍存在的不道德和违法行为

...accusations of unethical conduct.

对不道德行为的指责