在雅思写作中，转折句（transitional sentences）是构建文章逻辑和清晰表达观点的关键。以下是一些构建转折句式的技巧和高分句型，你可以参考使用：

技巧

使用转折词

Although/Though, but

However, yet

Nevertheless, nonetheless

Surprisingly, however

列举法

for one thing, for another

above all things

to begin with, next/besides/moreover, last/finally

in the first place, in the second, in the third, best/worst of all

对比法

by contrast, on the contrary, to the contrary

whereas, while, while on the other hand

as compared with/to, by comparison, in comparison with

高分句型

考虑负面因素后的思考

In view of the above-mentioned negative factors/disadvantages/defects in A, people's second thought is to...

提出对策

To counter/offset/counteract/cancel undesirable/side/ill effects/influence/results of A, B is put forward/proposed/advanced as another better course/solution to...

应用示例

假设你要写一篇关于科技发展的文章，其中包含转折观点，你可以这样写：

虽然科技的发展带来了许多便利，比如提高了工作效率和增强了全球连通性，但是我们也必须意识到它可能带来的负面影响，如隐私泄露和人际关系的疏远。因此，在享受科技带来的好处的同时，我们应当谨慎对待其潜在的风险，并努力寻找平衡科技与生活的方法。

通过运用这些技巧和句型，你的文章将更加有逻辑性和说服力，有助于提高你的雅思写作分数。记得在写作时多练习，熟练掌握这些表达方式