一：what_took_you_so_long是什么意思（中英文）解释的意思：

what_took_you_so_long是一个英语短语，意为“你花了这么长时间是怎么回事”。这个短语通常用于询问某人为什么做某件事花费了很长的时间。

二：怎么读（音标）：

what_took_you_so_long的读音为[wɒt tuːk juː səʊ lɒŋ]。

三：用法：

what_took_you_so_long通常用作问句，询问某人为什么做某件事花费了很长的时间。它也可以用作反问句，表达惊讶或不满。

四：例句1-5句且中英对照：

1. What took you so long to finish your homework? 你为什么花了这么长时间才完成作业？

2. I've been waiting for you for an hour, what took you so long? 我已经等了你一个小时了，你花了这么长时间干嘛？

3. What took you so long to get here? 你来这里花了这么长时间？

4. We've been waiting for the bus for over an hour, what took it so long? 我们已经等巴士等了一个多小时，它怎么这么慢？

5. You said you would be here at 8, what took you so long? 你说8点会来，怎么这么晚？

五：同义词及用法：

1. What took you so long? 可以替换为What were you doing?，意为“你在做什么？”

2. Why did it take you so long? 可以替换为Why were you taking so long?，意为“你为什么花了这么长时间？”

3. What made you take so long? 可以替换为What caused the delay?，意为“是什么导致了延迟？”

4. How come it took you so long? 可以替换为Why did it take you such a long time?，意为“你为什么花了这么长时间？”

5. What held you up for so long? 可以替换为What delayed you for such a long time?，意为“是什么让你延误了这么久？”

六：编辑总结：

what_took_you_so_long是一个常用的英语短语，通常用于询问某人花费很长时间做某件事的原因。它可以作问句或反问句使用，并且可以和其他同义词替换。在日常交流中，使用这个短语可以表达出惊讶、不满或询问的情绪。