live in sin的用法和樣例：
例句
- If these two people are living in sin it is nothing to do with you, so mind your own business.
如果這兩個(gè)人是未婚同居，那與你無(wú)關(guān)，你還是別管閑事吧！ - The Church still regards their relationship as living in sin, but many people nowadays use the phrase as a joke.
教會(huì )仍視他們的關(guān)系為姘居，但目前許多人卻把“姘居”這話(huà)當作笑話(huà)使用。
