Having an affair in marriage is an unethical behavior.

婚内出轨是一种不道德的行为。

My parents taught me from an early age to resist unethical behavior.

父母从小就教导我要抵制不道德的行为。

Leaking commercial secrets is not only illegal, but also unethical.

泄露商业机密不仅违法，而且不道德。

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

A number of doctors came under suspicion of unethical behaviour.

一些医生涉嫌有不道德行为。

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

我认为让医生给他们的家人动手术是不道德的。

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

给这样一个危险的产品做宣传广告是极不道德的。

They called the experiments "clearly unethical."

她们称该实验“无疑是不道德的”。

Shopping around isn’t unethical. It’s good business.

（在劳力市场上）像购物那样随便逛逛并非不道德，而是件好事。