If you think that your parents might already suspect your sexual orientation and that they will likely be supportive, then move forward with making a plan. If you think this will be a complete shock to your parents, then consider how they might react.  If you think your parents might react negatively, you should wait to tell them. Consider questions such as whether your parents make homophobic comments, whether you would be crushed if they reacted negatively, or whether you are financially dependent upon them. If any of these thoughts leads to a "yes," then it is probably better to wait until you are independently living and supporting yourself or until you feel more prepared with a stronger support system.  Listen to your instinct when deciding whether to tell them. There is a difference between feeling nervous to tell supportive parents and feeling afraid to tell reactionary parents. Remember that your parents think they know everything about you because they raised you. If they are unsuspecting, then take this into account as you consider how to tell them.  Drop hints if you want to get a better sense of how they might respond. If coming out could put you in danger, it might not be the right time. There are different ways that you can go about doing this, such as a face-to-face conversation or with a letter.  Consider your family dynamic as you contemplate how to tell them, and consider how you feel most comfortable communicating. Explaining everything in a letter might feel easier for you and might give them more time to digest the news. On the contrary, perhaps your family likes to talk things through, or perhaps you express yourself better verbally. Stick to your decision once you make it. This will prevent you from delaying telling them or being disorganized when you do so. Once you have decided how you will tell them, the next step is to build a support system of people who will always be there for you.  If you have relatives, friends, teachers, or counselors who already know that you are gay,...

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Write a summary of the previous text in Chinese:
考虑一下你父母听到这个消息时会不会接受，可能有什么反应。 决定你想如何告诉他们。 为告知父母争取必要的支持。 寻找关于LGBT（男同性恋者、女同性恋者、双性恋者或变性者）群体的的书籍、宣传册或网站，让父母阅读或浏览。 研究你预计他们会提的问题。 如果谈话不顺利，并且你与父母住在一起，那么你应该准备一个后备计划。 即使你已经不再依赖父母，在谈话不顺利的情况下，你仍然需要一个后备计划。 选择合适的时间和地点出柜。