以内
How to Say
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How to Write
Meaning: within
How to Understand
以内
以内 is a preposition meaning 'within' or 'no more than,' indicating a limit or boundary. It is often used to describe the scope or range of something, such as time, space, or quantity.
The character 以 (yǐ) originally meant 'to take' or 'by means of,' and later came to be used as a preposition meaning 'with' or 'by.' The character 内 (nèi) means 'inside' or 'within.' Together, 以内 conveys the idea of being inside or within a specified limit or area.
以内 is commonly used in everyday speech and writing to express boundaries, such as in time frames ('within two days') or spatial contexts ('within the city'). It is also used in formal or official contexts, like legal documents or regulations, to define constraints or conditions.
Example Sentences
这个项目必须在一周以内完成。
This project must be completed within one week.
他住在北京市内，很少去其他地方。
He lives within Beijing and rarely goes elsewhere.