Meaning of shàng xià:
shàng xià
上下
Adjective
up and down
Zhè zuò qiáo huì suízhe cháoshuǐ de zhǎng luò shàng xià.
这座桥会随着潮水的涨落上下。
This bridge moves up and down with the tides.
Noun
top and bottom; old and young; length
Zhège hézi de shàngxià dōu hěn jiéshi.
这个盒子的上下都很结实。
The top and bottom of this box are both very sturdy.
Wǒmen xuéxiào de huódòng xīyǐnle hěnduō shàngxià de cānyù.
我们学校的活动吸引了很多上下的参与。
Our school's event attracted the participation of many old and young.
Zhè piān wénzhāng dàyuē yǒu yī qiān zì shàngxià.
这篇文章大约有一千字上下。
This article is approximately one thousand words in length.
Adverb
about; more or less
Tā huāle liǎng tiān shàng xià wánchéng zhège jìhuà.
他花了两天上下完成这个计划。
He spent about two days finishing this plan.
