She must be completely crazy. (中文：她一定是完全疯了。)

怎么读（音标）

She [ʃiː] must [mʌst] be [biː] completely [kəm'pliːtli] crazy ['kreɪzi]

用法

“她一定是完全疯了”是一句表达某人已经失去理智、行为异常的口语化说法。通常用来形容某人做出的疯狂、荒谬的举动或言论，强调其行为超出常理。

例句1-5句且中英对照

1. She must be completely crazy to quit her stable job and travel the world without any plans.

她一定是完全疯了，放弃稳定的工作毅然决然地去环游世界，还没有任何计划。

2. Did you hear about the woman who jumped into the lion enclosure at the zoo? She must have been completely crazy!

你听说过那个跳进动物园狮子围栏的女人吗？她肯定是完全疯了！

3. I can't believe she dyed her hair bright pink. She must be completely crazy.

我简直不敢相信她把头发染成亮粉色了，她一定是完全疯了。

4. He's planning to climb Mount Everest without any training or experience. He's completely crazy!

他打算不经过任何训练和经验就去攀登珠穆朗玛峰，他简直疯了！

5. I thought she was a sensible person, but after hearing her ridiculous ideas, I now think she's completely crazy.

我原以为她是个明智的人，但听了她荒谬的想法后，我现在认为她完全疯了。

同义词及用法

1. She must be out of her mind.

她一定是失去理智了。

2. She's gone insane.

她疯了。

3. She's lost her marbles.

她丧失理智了。

4. She's off her rocker.

她神经错乱了。

5. She's a few sandwiches short of a picnic.

她有点不正常。

编辑总结

“她一定是完全疯了”这句话常用来形容某人做出的荒谬、疯狂的举动或言论。它强调某人已经失去理智，行为超出常理。除此之外，还有许多同义表达可用来形容类似情况。如果遇到这种表达，可以根据具体语境选择最合适的表达方式。