He diverged from established procedure.

他违背了既定程序。

《牛津词典》

At least there is an established procedure, albeit a costly and cumbersome one.

不过这至少还有一个规定的程序，虽然很烦琐且代价高昂。

youdao

Is there an established procedure to conduct unannounced security checks periodically for all areas of concern?

是否有相关制度，对所有重点区域是否定期进行突击安全检查？

youdao

At least there is an established procedure, albeit a costly and cumbersome one.

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That is the essence of what we do as lawyers: advocate for clients within a system that seeks to make decisions based on law and established procedure, not whim or ideology or political power.

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The established procedure is to pass special anti-terrorism laws, altering trial rules somewhat to handle terrorist cases, but not abandoning established court systems, and trying to retain the basic rights of those accused as far as possible.

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