To deal with the other language characters: If other languages are supported in the input box check whether the system can accept them and they are not garbled.

处理其它语言字符：如果输入框支持其它语言，检查系统是否能接受这些字符并且这些字符不出现乱码。

youdao

Let me rephrase it into garbled English that'll lead more naturally into what I want to do While the egg whites are not stiff, beat them.

让我用篡改的英语,重新说一遍，我要做的吧,当蛋清还不够浓稠的时候，搅拌它们。

麻省理工公开课 - 计算机科学及编程导论课程节选

The stage directions alone are an exercise in complexity: The script includes lines meant to sound clear, lines meant to sound garbled, lines signed and not spoken, lines spoken and not signed, lines with subtitles projected around the theater and lines without subtitles.

WSJ: David Cromer's 'Tribes': A Director Reveals His Motivation

The muddled income-tax system, you see, and this week's garbled changes to it, are a subterfuge: not so much prudence for a purpose as complexity for the cause, ho ho.

ECONOMIST: Toil and muddle