The verb "chat" means to talk (to someone) in a friendly,informal(非正式的)way.
动词“聊天”的意思是：用一种友好的,非正式的方式跟某人交谈.
Chatting is a good way to （ practise ）your “informal” English.
聊天是一种锻炼非正式英文的很好的方式.
Messages in a chatroom are usually short sentences.
聊天室中的语言通常是写短句.
Sometimes （ they ） are not even sentences,（ but ） just a few words that are not really correct grammatically but may be a typical way in which we （ speak ） in a quick conversation with friends.
有些时候这些语言甚至不是一个完整的句子.仅仅是一些没有语法的词组组合可能是我们在跟朋友快速交谈的特定方式.
To save time,people often use abbreviations（缩写） like TTYL (talk to you later ) or IDK(I don’t know).
为了节省时间,人民通常使用缩写.比如用TTYL来代替稍后跟你聊,或者是用IDK来代替我不知道.
So don’t go to a chatroom to practise “perfect” English.
所以不要去聊天室练习“完美的”英语.
Go to a chatroom to practise casual（随便的） or informal English and find new （ friends）.
去聊天室练习随便的,非正式的英语,并且找到一些新朋友.
You can even use a chatroom to help improve your typing skills if you want.
你要是愿意的话,你甚至可以去聊天室提高你打字的水平.