Sex outside of marriage is usually immoral. 婚外性通常是不道德的。
That could mean extensively using pornography, having affairs, sleeping with prostitutes, and masturbating excessively, to the point where such behaviors get out of control. 它表示你不停地看色情图片，搞婚外情，嫖妓，或者过度自慰，以致到了失控的程度。
