上下
shàng​xià HSK5

up and down

上下 shàng​xià
up and down noun
the top and bottom or full vertical extent of something; to move upwards and downwards

他上下打量着眼前的这栋建筑。

tā shàng​xià dǎ​liang zhe yǎn​qián de zhè dòng jiàn​zhù.

He sized up the building in front of him from top to bottom.

approximately numeral
used after a quantity or age to indicate an approximate amount; or so

他看起来有五十岁上下。

tā kàn​qǐ​lai yǒu wǔ​shí suì shàng​xià.

He looks to be around fifty years old.

high and low noun
superiors and subordinates; all members of a social hierarchy or group

全厂上下都在为完成任务而努力。

quán chǎng shàng​xià dōu zài wèi wán​chéng rèn​wu ér nǔ​lì.

Everyone in the factory, from top to bottom, is working hard to complete the task.

relative superiority directional
the difference in quality, skill, or rank; relative standing or degree

这两位拳击手的水平在上下之间，谁赢都不会让人意外。

zhè liǎng wèi quán​jī​shǒu de shuǐ​píng zài shàng​xià zhī​jiān, shéi yíng dōu bù huì ràng rén yì​wài.

The skill levels of these two boxers are neck and neck; it wouldn't be a surprise no matter who wins.

first and second volume directional
referring to the two separate volumes or parts of a multi-part publication

这本诗集分为上下两辑出版。

zhè běn shī​jí fēn​wéi shàng​xià liǎng jí chū​bǎn.

This collection of poems was published in two volumes.

before and after numeral
relative position in a sequence, text, or time; context

这位老师的年纪在四十岁上下。

zhè wèi lǎo​shī de nián​jì zài sì​shí suì shàng​xià.

This teacher is around forty years old.

Frequency
Movie subtitles
7.04 per million appears in 3% of films
Written text
44.2 per million

Details
HSK 3.0
Level 5

Sources
Definitions
CC-CEDICTAI-generated definitions
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)