When Mary broke off the engagement, John seemed to go into a flat spin.

玛丽毁除婚约，约翰似乎神经失常。

《新英汉大辞典》

I've been in a flat spin trying to get everything ready for our holiday.

所有这些米制单位弄得我晕头转向——我们为什么不能坚持用英尽和英寸的单位呢？

youdao

I've been in a flat spin trying to get everything ready for our holiday.

所有这些米制单位弄得我晕头转向——我们为什么不能坚持用英尽和英寸的单位呢？

youdao