在雅思口语考试中，以下是一些救场专用的万能句：
请求重复问题或话题
Could you please repeat that question/topic？
I didn't quite catch that. Could you say it again, please？
Sorry, could you repeat the question？ I missed the last part.
表达不确定或不知道
I'm not exactly sure what you mean...
I'm not exactly sure how to answer that question, but perhaps...
That's rather difficult question, but I wonder if I could get more information about that.
争取思考时间
Give me a few seconds for me to search every piece of information in my head.
Now you want me to talk about it. But I don't have too much to say.
That's an interesting question. Let me think for a moment...
引入个人经历或观点
Let me tell you about a time when...
In my opinion, ...
Personally, I believe that...
表达对比和区别
There're a couple of differences between them. The most fundamental one is...
Besides, ...
Apart from that, ...
表达原因
To my mind, there are a couple of reasons.
The first thing I want to point out here is that...
使用模糊语言
You know, and stuff like that.
And something like that...
引入具体例子或经验
This reminds me of...
I'd like to share an example...
使用连接词
Additionally, ...
However, ...
这些句子可以帮助你在考试中应对各种突发情况，如没听清问题、不确定如何回答、需要时间思考等，从而提高你的口语流利度和自信心。建议你在备考过程中多练习这些句子，以便在考试中能够熟练运用。