zuì​shǎo

at least

最少 zuì​shǎo
at least adverb
no less than; as a minimum estimate or requirement

It takes at least three days to complete this task.

minimum adjective
the lowest or smallest amount or degree possible

Our goal is to get this done with the least amount of money.

Frequency

Movie subtitles
0.570 per million appears in 0% of films
Written text
11.1 per million

Sources

Definitions
CC-CEDICT