惯用句的英语怎么说

惯用句的英文：
idiom

It was an old building in the local idiom.
那是一座具有当地风格的古建筑。

This is a simple, direct, and useful interaction idiom.
这是一种简单、直接并有用的交互习惯用法。

His narrative is a super rendering of dialect speech and idiom.
他的叙述是方言和土语最成功的运用。

These idioms are less popular but can be very useful.
这样的习惯用法并不太多见，但是可能会很有用。

Amazingly, now all three idioms are accommodated seamlessly.
令人惊异的是，所有3种习惯用法现在能完美地融合在一起。