garbled

他因为太紧张，把报告的关键数据都搞混了。

He was so nervous that he ___garbled the key data in the report.

信号不好导致他的话变得含糊不清，难以理解。

The bad signal ___garbled his words, making them hard to understand.

电话信号不好，他的声音被扭曲得听不清楚。

The poor connection ___garbled his voice, making it hard to understand.