"Chángyòng" is the pinyin transpteration of the Chinese word 长用, which means "frequently used" or "often used."
Its origin can be traced back to the combination of two characters: 长 (cháng) meaning "long" or "often," and 用 (yòng) meaning "to use."
Examples of Engpsh phrases using "frequently used":
"This is a frequently used phrase in Engpsh."
"这是一个在英语中经常使用的短语。"
"The shortcut keys are frequently used by computer users."
"快捷键是计算机用户经常使用的。"
"These tools are frequently used by engineers in their work."
"这些工具是工程师们在工作中经常使用的。"