你的表现必须要中规中矩。

Your performance has to be sub-par.

我们必须克服须要中规中矩的想法。

We must overcome the notion that we must be regular.

你中规中矩，尽管算不上完美，但也绝非恶人。

You might not be perfect, but you're certainly not evil.

日本是一个中规中矩、想法统一、讲求平等的国家。

JAPAN is a decent, consensual and egalitarian country.

要是你穿得中规中矩，那也表示你是一个安份守己的人安份守己的人，要多点钱干甚麽？

If you properly follow the dress codes, you apparently have self-control. So why would a self-controlled person need more money?