the way a particular word in a language, or a language in general, is used

a guide to common English usage 常用英语用法指南

The earliest recorded usage of the word is in the twelfth century. 关于这个词用法的最早记载见于12世纪。

the way something is treated or used

Sports equipment is designed to withstand hard usage. 运动装备在设计上要结实耐用。

the bad and unfair way someone treats you

Many had complained about the usage they'd received at his hands. 很多人都曾抱怨在他手下受到了不公待遇。