Definition
小于 (xiǎo yú) is used for numbers, ages, or quantities to mean 'less than' — a straightforward comparison. 低于 (dī yú) is for abstract levels like prices or standards ('lower than'). 以内 (yǐ nèi) means 'within' a limit, often inclusive (e.g., 'within 30 days').
verb
less than (in comparison)
Examples
- 小于。Tā de niánlíng xiǎo yú sānshí suì.His age is less than thirty.
- 小于，。Zhège shù xiǎo yú nàge shù, suǒyǐ xuǎn xiǎo de.This number is less than that one, so pick the smaller one.
- 小于，。Dāng qìwēn xiǎo yú líng dù shí, shuǐ huì jiébīng.When the temperature is less than zero, water freezes.
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