It is better to write in regular, not very sophisticated English, than to use phrases or structures you don't fully understand. If you need Band 6 ? no need for complex sentence structure. If your goal is Band 7 ? then show advanced sentence structure, language and vocabulary.
　　 最好用常规的，不复杂的英文写作而不是用那些你自己都不完全懂的词组或句型结构。如果你需要的是6分，没必要写复杂句型。如果你需要的是7分，那么写一些高级句型，语言和词汇吧。

　　Don’t write more than 260-265 words in IELTS Writing 2 task. Why? Not because you will get lower mark, but because of these 2 reasons:
　　 在写作第二部分中，字数不要超过260-265个字。为什么？不是因为你会得到更低的分数，而是因为以下两点原因：

　　It takes more time      它花费你更多的时间
　　 More words = more mistakes      越多的字数-=越多的错误

　　If you are told to cover specific points in your essay/letter ? cover every point, examiners actually count them. Don’t overuse connecting words (like However, Furthermore, Moreover, etc) ? examiners are watching for you to do that.
　　 如果在你的作文中，被要求涉及某些点：把每个点都涉及到。考官通常会数的。不要过度使用连接词（例如：However, Furthermore, Moreover，等等）。考官会重点关注这一点。